Heater kit dip switches not set correctly. 2 Check for leaks by applying the bubble test solution to all connections. • Faulty Compressor. Daikin HVAC F3 Fault Code Advice. 3 minutes) on starting the compressor after a power outage (or restarting after it has been turned off), to prevent tripping of the compressor overload. If you immediately need domestic hot water, activate the DHW tank booster mode. • Open or short circuit of the liquid thermistor (X5A). There is a protective time delay (approx. Display the cause of the current fault and the last twenty—five fault Start up failure: conditions Archived. Table of contents Installer reference guide 2 ERHQ011~016BA+ERLQ011~016CA + EHBH/X16CA Daikin Altherma - Low Temperature Split 4P313776-1C – 2012.11 Table of contents 1 About the documentation..... 3 1.1 … My Daikin heating & cooling system recently stopped working and the solid green light turned into a blinking green light. If the contact on the switch is open, the temperature in the air stream is below freezing (alarm active) . • Allow sufficient amount of time for unit to heat or cool the room. Make sure that the water volume in the installation is under the maximum allowed value. 2 Malfunction of discharge pipe temperature. 145 U0 Low pressure drop due to insufficient refrigerant or electronic expansion valve error, etc. This added work of compression would make the heat of compression higher. LA: Low Ambient Lockout: Unit is in cooling mode and outdoor air : 25°. If the variable speed conditions occur . What causes low discharge line temperature on AC? Bubbling sound The bubbling sound comes from inside of the humidifying hose. • Compressor Protection - To prevent short cycling of the compressor, there is a random start-up delay of 3 minutes and a minimum compressor run time of 3 minutes. Check the setting on the user interface and adjust if necessary. Replace if necessary. Check filters, filter grills/registers, duct system, and furnace air inlet/outlet for blockages. Close. D-EOMWC00904-14EN - 6/88 Definitions Active Setpoint The active setpoint is the parameter setting in effect at any given moment. Air conditioner is wired as part of a communicating system and integrated control module does not contain any shared data. At high rpm, the power has fallen by more than 5%. • Incorrect wiring between ID unit and thermostat. • Make sure that curtains, blinds or furniture are not restricting or blocking unit airflow. Malfunction of pump in water circuit (МІР). Check if the thermistor is mounted securely. parts reduce the fault risk The internal oil supply channel could reserve same oil and supply to the bearing ensures the compressor stable running. Note Plug has a test/reset button on it. Low discharge line temp can be caused by – Overcharge (slight to moderate) – Low load / air flow (in some cases) – Compressor not Pumping (low compression) Keep in mind that keeping discharge line and compressor temperature in check will greatly increase compressor longevity with refrigerant cooled compressors. sensor fault. Set thermostat to off position, Unable to start system verification test. • Blocked/Restricted condenser coil and/or lines. • Check indoor fan motor wiring and connectors; Repair/replace if needed. • Check dipswitch settings for desired comfort. Cylinder The hot water cylinder is usually set at around 50°C, to ensure low running costs. Turn off heater using thermostat before running AHRI mode. Replace if necessary. Low Cooling Water Temperature Start To improve the performance of the unit, the cooling water enteryin temperature can be reduced when the environmental wet bulb temperature is lower than the design temperature. • Check integrated control module. Page 1 of 2 Daikin Altherma Low and High Temperature Heat Pump Simple Self-Diagnosis by Fault Code The burner does NOT fire on space heating: sensor S1 or S2 faulty. • Select the valid heater kit on thermostat. At 100% load the operating parameters of both circuits of McQuay McEnergy 143.2 Chiller is as under Discharge temperature 46.8 deg.cent Discharge superheat 1.2 deg.cent Evaporator pressure 1.7 bar Evaporator temperature -1.5 deg.cent Condensing pressure 10.8 bar Condensing temperature 45.3 deg.cent Pressure drop across filter dryer core = 5 PSI which is within the range of 50 KPA as per … Super heat 14degrees, 3 … to the cylinder. 1. Check outdoor EEV coil connection; Repair/replace as needed. Turn off heater using thermostat before operation. Replace vent temperature limit switch. : R08019046595B English Operating Manual Handset Wireless Français Español Mode D’emploi ... TEMP 1 2 13 6 12 5 14 8 10 3 7 4 9 15 11 MODE FAN POWERFUL QUIET ... Low Med High Auto • Verify circulator blower motor horsepower is the same specified for the specific air handler blower model. Less drive parts reduce the fault risk • Check the connection to pressure sensor (PCB and junction connector). 2 faulty. FAULT- FUSELINK/FIELD: Vent temp limit fault (Ensure fusible link is rated for 240°C- and is marked with red paint) Identify and correct loose connections. • Incorrect circulator blower motor in furnace. Make sure the heater kit is connected to a normal power supply. for the Daikin ThinLine Fan Coils . Check communication wiring; Repair as needed. With the latest Temperzone UC Controllers, obtaining the Discharge Superheat is now at the touch of a button. The desired room temperature cannot be reached. Clean filters or remove obstructions. Locate and correct short in low voltage wiring. Faulty or disconnected outdoor thermistor sensor. Connects directly and seamlessly into the Daikin local and centralized control suite Operational Characteristics When the suction air temperature is between 66°F and 109°F the Outside Air Processing Unit operates in cooling, and when between 23°F and 59°F, it operates in heating. Check if the required spaces for installation (specified in the installation manual) are provided. • Room is excessively hot or cold when unit is started. Low evaporator pressures also may cause a high compressor discharge temperature. The user interface displays "not available" when pressing certain buttons. a Liquid stop valve 3 Discharge all nitrogen gas. If you have either an Economy 7 or 10 tariff, your system has been set up to heat the water during the cheapest off peak electricity rate. Lockout due to excessive ignition attempts. • Check circuit breakers and fuses; Replace if needed. Outdoor coil temperature sensor open or shorted. When evaporator pressures are low, the compressor must compress refrigerant from this lower evaporator pressure to the condensing temperature. EEV open circuit( incorrect wiring or not connected). • Correct high line voltage condition; contact local utility if needed. • Assure 208/230 volt and 24 volt power to air handler blower and integrated control module. No spark. Daikin Heat Pump Fault Codes your comfort. Experiencing frequent low discharge superheat faults. If you are on a single rate tariff, the hot water will be heated during the day when the outside temperature is higher. If necessary, replace the fan. This code refers to the pipe thermistor attached to the discharge from compressor. Displayed code is dismissed when IAS temperature is : 5° from Max set point as adjusted in the Set Up Mode. Suction thermistor inoperable or not properly connected, • Check the connection to suction thermistor; Repair/replace if needed. Clean filters or remove obstruction. These high heating capacities, available on the whole Daikin Altherma low temperature 4kW-16kW range, are achieved thanks to the combination of: • Optimised controls to achieve higher frequency of use at low outdoor temperatures • Liquid injection to avoid too high discharge temperatures when high water temperatures are required Air conditioner runs excessively but cannot bring the room to a comfortable temperature (i.e. Inspect and test sensor; Replace sensor if needed. Switch unit to FAN operation until ice or frost melts. • Correct high line voltage condition; Contact local utility if needed. When the outside humidity is low, manual mould proof operation may improve the situation. • Pressure switch hose blocked, pinched, or connected improperly. • Check power to furnace. Low pressure sensor inoperable or not properly connected. Experiencing frequent high pressure faults but acceptable to run. • Check ground screws/lugs and wiring; Repair/replace if needed. ... System No. Contact the gas company. Verify line voltage to furnace is within the range specified on the furnace rating plate. the LED will be green. Documentation. See data errors above for details. is the air purge open?). Check for correct operation of the pressure relief valve by turning the red knob on the valve counter clockwise: • If you do not hear a clacking sound, contact your local dealer. F3 – Outdoor unit discharge temperature is too high – Insufficient refrigerant, clogged refrigerant piping or the discharge temperature thermistor could be faulty. Daikin is a Japan-based company that is one of the largest aircon manufacturers in the world. The control is sensing sweating on the cooling loop. • Check filters for blockage. Domestic hot water tank thermistor error (R2T). You are most likely low on refrigerant and there is nothing wrong with the unit or thermistor. E4 Indoor coil 2 Temp. • Check wiring connections on outdoor unit and indoor unit. Page 1 of 2 Daikin Altherma Low and High Temperature Heat Pump Simple Self-Diagnosis by Fault Code Set the unit to cooling operation, and check the temperature of the liquid pipe to see if the electronic expansion valve works. Close. Air handler blower does not contain any shared data. Check that installation is level and make any necessary adjustments. • Correct low/high line voltage condition; Contact local utility if needed. Re: daikin F3 high discharge temp Oil level in oil separator is probably controlled by float. the LED will be red. Coolmode; outside temp 69,inside temp 73, true suc. • Call your local dealer to get the heat pump fixed. For training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on Training, or call 540-248-9646 and ask for the Training Department. Communication problem with the heat pump. Wait approximately 3 minutes for compressor to start. Search. Discharge Air High Limit DAHL Discharge Air Temperature DAT Discharge Air Temperature Setpoint DATS Demand Controlled Ventilation DCV DX Cooling Discharge Air Low Limit DXLL Defrost Start Setpoint DSSP Defrost Reset Setpoint DRSP Defrost Time Limit DTL Economizer Compare Differential ECD Economizer Indoor Air/Outdoor Air Enthalpy Differential EED Make sure that the plug has not tripped. • Check the connection to liquid thermistor (PCB and junction connector). ID blower motor does not have the required parameters to function. Outdoor defrost thermistor inoperable or not properly connected. • Outdoor fan motor not connected properly. Cause may be no gas to burners, front cover pressure switch stuck open, bad igniter or igniter alignment, improper orifices, or coated/oxidized or improperly connected flame sensor. • Obstruction in circulator blowing housing. • Manual disconnect switch OFF or 24 volt wire improperly connected or loose. F2 Indoor coil 1 Temp. temperature fault •Ambient air conditions too high. Frequent low discharge superheat faults but acceptable to run • Discharge thermistor inoperable or improperly connected. 1. Page 144 Daikin Applied Training and Development Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. Verify control is populated with correct shared data set. • Temperature setting is not high or low enough Note: Setpoint limits may not allow the unit to heat or cool the room to the temperature desired. Possible Cause: • Shortage of gas. • Check indoor EEV coil connection (PCB and junction connector). • Check filter for blockage. Check section on Intelligent Self-checking Control. • Random Compressor restart - Whenever the unit is plugged in, or power has been restarted, a random compressor restart will occur. Change the "user permission level" field setting, Space heating capacity shortage at low outdoor temperatures, Check that the "heater kit operation status" field setting is turned on, You are feeling too cold (hot) in your living room. The water volume in the installation is too high. • Make sure the domestic hot water tank is filled with water. • Check for obstruction on the fan/motor/ductwork, clean filters. EEV open circuit( incorrect wiring or not connected). H0 - common sensor fault H1 - air temperature sensor defective H2 - system power supply is defective H3 - high pressure sensor defective H4 - low pressure sensor defective H5 - overload, compressor stop H6 - compressor overload, the system is locked H7 - fan … • Wait till initialization between outdoor unit and indoor unit is finished (after power ON, wait at least 12 minutes). The unit operates but does not cool, or does not heat. • Insufficient conditioned air over the heat exchanger. Current sensor error Power voltage Daikin RY125KUY1 Manuals Manuals and User Guides for Daikin RY125KUY1. If the variable speed compressor is operating compressor is operating and the discharge line temperature and the discharge superheat … I am getting a Low Discharge Superheat protective limit alarm. Unable to enter pump down mode. • Temperature setting is not high or low enough Note: Setpoint limits may not allow the unit to heat or cool the room to the temperature desired. • Select OK to allow the backup heater to take over the heat load. • Defect of discharge pipe thermistor. •Outdoor fan low speed (5 ton only). Your remote will display a number in degrees Celsius. ED 15112-19 November 2020 Fixed alarm enumeration 212 in Table 40 from “High” to “Low” Discharge Air Temp Fault. • Make sure the circuit is filled with water (no air inside, e.g. • Incorrect wiring between indoor unit and thermostat. • Tighten or correct wiring connection. Indoor unit in normal condition (Conduct a diagnosis of the outdoor unit. Double check the temperature on your remote. • Check the opening of stop valve, should be fully open; Repair/replace if needed. (Operation lamp OFF). • Check wiring from outdoor fan motor to control board; Repair if needed. If that valve is not closing on low oil level, than it is possible for constant high temperature gas flow to suction line and high suction superheat. • Check integrated control module. Lock out after 5 consecutive compressor starts. CAUTION Wear adequate personal protective equipment (protective Heating operation is not available when the outdoor temperature is 18°CWB or higher and cooling operation is not available when the outdoor temperature is below -10°CDB. DISPLAY HAS STRANGE NUMBERS/CHARACTERS ON IT. • High stage pressure switch contacts sticking. • Clogged refrigerant piping. Control board lacks the necessary data to perform its functions. Check if address settings for the remote controller and indoor unit are correct. Here’s how to set temperature on a Daikin air conditioner: Find your air con remote; Press the up/down buttons on the remote to set the temperature. • Check the fuse. • Open (or) short circuit of the liquid thermistor (X5A). • Check the appliance and flue system for fouling. Check filters, filter grills/registers, duct system, and air handler blower/coil air inlet/outlet for blockages. After a power outage, the compressor will restart after approximately 3 minutes. • Check filters and ductwork for blockage. • Obstruction in circulator blower housing. FAULT- CHECK IGN CONTROL: Broken, split, pinched or disconnected air pressure switch tubing. •No flow or limited flow through control board cooling circuit • … In case of your Daikin heat pump not cooling, you may see different descriptions and reasons of the same problem – for example, heat pump fan not spinning properly, or power supply problem. •Cooling bracket screw(s) missing or not properly fastened (2-4 ton only). • Fan/motor obstruction or blocked filters. • Check and connect wiring from integrated control module to igniter. • Compressor is in time delay. • Power may have cycled, so compressor is in a restart protection. E5 System 2 leaving water Temp. Diagnose with remote controller indication. Heater kit called when no heater kit (fan may blow cold air). • Unit air discharge section is blocked • Make sure that curtains, blinds or furniture are not restricting or blocking unit airflow. •No flow or limited flow through control board cooling circuit If there is no LED on. Posted by 2 years ago. × • Make sure waterflow is possible (open all valves in the circuit). H9 – Abnormal resistance of the outdoor air temperature thermistor – The outdoor air thermistor could be faulty, there may be a cable disconnection or the thermistor itself may have short circuited. Populate shared data set using memory card. F2 Indoor coil 1 Temp. Populate shared data set using memory card, Air conditioner is wired as part of a communicating system and integrated control module does contain any shared data, Shared data set on memory card has been rejected by integrated control module. sensor fault. Air handler blower does not contain an appropriate shared data set. Thanks. This temperature can be read by placing an insulated temperature sensor (or thermocouple) on the discharge line about two to four inches from the compressor. Remove and repair/replace wheel/motor if necessary. Check the output voltage of the power module. Unable to start heating mode test. •Cooling bracket screw(s) missing or not properly fastened (2-4 ton only). • Make sure the circuit is filled with water (no air inside). At least 2 or 3 radiators MUST be open. Thus, the compressor's discharge temperature will be higher. • Check for thermostat and indoor unit wiring. • High AC line voltage to air handler blower. No heat transfer as a result of lime scale or fouling in the heat exchanger. Note: If the unit turns on. Daikin Altherma - Low Temperature Split English + Installer reference guide Daikin Altherma - Low Temperature Split ERHQ011-014-016BA ERLQ011-014-016CA EHBH/X16CA. temperature fault •Ambient air conditions too high. • Clean flame sensor if coated/oxidized. The desired DHW tank temperature is too low. Low indoor airflow (with electric heat mode). The sensor part of the switch is installed in the air stream . Remote controller thermostat thermistor error. • Check compressor operation; repair/replace as needed. • Wall sleeve must be installed level for proper drainage of condensation. Its products are selling in the world over with Singapore being one of the markets where Daikin’s air conditioners are doing very well. • Low refrigerant charge. • Polarity of 115 volt AC power to furnace or integrated module is reversed. Discharge thermistor inoperable or improperly connected. Blower motor is operating in a power, temperature, or speed limiting condition. F3 – Outdoor unit discharge temperature is too high – Insufficient refrigerant, clogged refrigerant piping or the discharge temperature thermistor could be faulty. The house pressure switch may be faulty. Be very careful when doing this since the discharge line could be anywhere from 185 degrees F to 275 degrees F. Set thermostat to off position, Unable to enter charging mode. Compressor relay contacts are welded shut. • When outdoor temperature is approximately 55*F (12.8*C) or below, frost may form on the indoor coil when unit is in Cooling mode. Malfunction External Code Interlock error for fan Sensor system of power supply No.2 protection device operates. The Daikin Altherma controller communicates with the hydrobox for efficient use. 50°C, to ensure low running costs. Low stage pressure switch closed at start of heating. Compressor will cut out. ED 15112-5 December, 2009 Changed ER Discharge Air Temp & ER Exhaust Air Temp BACnet object types from AV to AI.Updated firmware version from 2506017300 to 2506017301 in Software Revision and PICs sections. sensor fault. • Check the connection to the liquid thermistor (PCB and junction connector). Basically the unit has run for some time and it is not sensing the right temp. Fan not operating. Replace the ignition unit on the gas valve. Reply. F4 Return air Temp. Outdoor unit control board high temperature fault but acceptable to run, Outdoor unit PCB detected a possible short circuit. • Verify electric heat dipswitch settings. High power supply voltage condition detected. Equipment communication loss during startup. My Daikin Daikin guarantees your comfort in every facet of our service, right through from research and development to installation and enjoyment. Control board lacks appropriate data to perform its functions, Air conditioner is wired as part of a communicating system and integrated control module contains invalid shared data or network data is invalid for the integrated control module, The airflow requirement is greater than the airflow capability of the indoor subsystem, • Air conditioner/heat pump is wired as part of a communicating system and outdoor unit requires airflow greater than indoor unit's airflow capability, • Verify system type (communicating or legacy), Incompatible shared data or missing parameters, • Verify shared data is correct for your specific model; Repopulate data if required, There is a mismatch between the shared data and the control physical hardware, Shared data sent to integrated control module does not match hardware configuration, Verify shared data is correct for your specific model; Repopulate data if required, Shared data on memory card has been rejected. Outdoor unit PCB detected a high current condition. • Check filters for blockage. The burner is NOT firing on domestic hot water: S3 faulty. • Preemptive control of low evaporator and high discharge pressure conditions to take corrective action prior to a fault trip. PJ still coming up. If you are on • Make sure the water filter is not blocked. • If a drain kit has not been installed, condensation runoff during very hot and humid weather is normal If a drain kit has been installed and is connected to a drain system, check gaskets and fittings around drain for leaks and plugs. sensor or exhaust temp. We have 1 Daikin RY125KUY1 manual available for free PDF download: Service Manual Re-populate data using correct memory card is required. • The unit may be set for “C (instead of °F). Heater kit connected to the benefit kWh rate power supply. • Make sure all refrigerant stop valves are open. •No or poor thermal grease coating between cooling plumbing and cooling bracket on control board (2-4 ton only). This variation can occur on setpoints that can be altered during normal operation. Heater kit thermal cut out error (if the heater kit option installed). • Check if the domestic hot water option is turned active (refer to field setting [6-00]). • Check memory card data vs. air conditioner model. • Blocked/restricted condenser coil and /or lines. OM-BRC52B-0617(2)-DAIKIN USA Part No. Air and Water cooled inverter chillers and heat pump D-EOMZC00105-17EN Operation Manual 2/84 EWAD TZ - EWAD TZ B -EWWD VZ Air and Water cooled inverter chillers and • Make sure water flow is possible (open all valves in the circuit). Blower motor current trip or lost rotor position. • Open or short circuit of the pressure sensor (X15A). Verify shared data set is correct for the specific model. Low pressure switch is open, continuous current detected, or 4 consecutive protector trips. Experiencing frequent high pressure faults. Remove and repair/replace wheel/motor if necessary. Hello guys! • Check for obstruction on the fan/motor. Low power supply voltage condition detected. Contact your installer/dealer: 5. E5 System 2 leaving water Temp. Thermostat communication loss during startup & operation. Archived. • Reset to a lower or higher temperature setting. Low indoor airflow (without electric heat mode). Outdoor unit control board high temperature fault. Verify line voltage to blower is within the range specified on the air handler blower rating plate. Wall Controller (Thermostat) set too high or low: Check the wall controller (thermostat) temperature (refer to setting the temperature in your operating instruction manual) Internal fault in the air conditioner or room temp sensor fault. • Check that the expansion vessel is not broken. • Check on the manometer that there is sufficient water pressure. Check the settings in the heat pump manual. the flash gas can reduce the discharge superheat of the compressor and increase the condenser efficiency. The table below contains the lists of possible breakdowns and problems in Daikin heat pump work. Weather-dependent setpoint setting is incorrect. I have changed main board, inverter board, and noise filter board. • Check and clean grille of any debris. Check the connection to outdoor defrost thermistor; Repair as needed. • Check that the manometer is not broken. Check resistance on HPS to verify operation; Replace if needed. • Open or short circuit of the gas thermistor (X5A). sensor fault. explain the theory of how the oil can cause this alarm. Check tubing and replace if necessary. • Heater kit selected via dipswitches is too small for heater kits in shared data set. Check whether there is circulation. • Wiring to control board disconnected. circuit board fault: e5: ol started: e6: faulty compressor start up: e7: dc fan motor fault: e8: overcurrent input: f3: high temperature discharge pipe control: f6: high pressure control (in cooling) h0: sensor fault: h6: operation halt due to faulty position detection sensor: h8: dc current sensor fault… • Check discharge thermistor resistance and connections; Repair/replace as needed. there is a problem with power or damage to the control. • Defect of connector contact. Heat provided by secondary heating source. Set thermostat to off position. The manual states the primary cause is "oil in refrigerant" or overcharged. ), Operation halt due to the freeze protection function or high, Suction thermistor or related abnormality, Discharge thermistor or related abnormality. • Abnormal motor loading, sudden change in speed or torque, sudden blockage of air handler blower/coil air inlet or outlet. How To Fix A Broken Flat Screen LCD LED TV | TV Screen Repair; Klimaire AC Error Codes| Troubleshooting; Carrier ac error codes; Carrier Inverter Ac Error codes Unit mounted Variable Frequency DriveStarter Air cooled VFD without complex piping connection, low maintenance charge and more reliable. • Discharge thermistor inoperable or improperly connected. Goodmen Heat pump mod.cpkj42-1b no airhandler information present. If you have come across a unit that has locked out on a Discharge Superheat fault, it is a good starting point to know what the ideal Discharge Superheat at standard cooling operating conditions should be (15-25K). A different sound may be produced depending on the outdoor temperature or humidity. Low Discharge Air Temperature - (Lo Disch Temp: Fault) 65 High Discharge Air Temperature - (Hi Disch Temp: Fault) 65 High Return Air Temperature - (Hi Return Tmp: Fault) . • Check circulator blower for obstructions. Check Intelligent Self- checking Control section to determine if unit has had a failure. • Adjust the DHW tank temperature schedule. See manual for troubleshooting info, Potential communication issues have been detected by the outdoor control board. low pressure equivalent saturated temperature sensor system Malfunction of ... (Refrigerant circuit) Malfunction of thermistor (Refrigerant circuit) Malfunction of discharge pipe thermistor External protection device activated Malfunction of indoor unit PCB Malfunction of drain level ... temp. For blockages would Make the heat exchanger on the manometer that there is a problem with power or damage the... Gurgling and whooshing noises are normal during operation of unit the following: • Increase ( decrease ) the.. Energy savings up to 43 % above ASHRAE ’ s 90.1 2016 standard as specified on rating plate thermal! Mode and outdoor unit ( if the indoor unit is cold ), » 0.3 bar water... Comfort in every facet of our service, right through from research and to. When pressing certain buttons reason of your correspondent actions to solve the situation higher temperature setting duct system and... User interface and adjust if necessary ; Repair/replace as needed cooling early outdoor... Condenser efficiency Lockout: unit is connected to power supply thus, the compressor compress! Set at around 50°C, to ensure low running costs is excessively hot or cold when unit plugged. Heat of compression higher to see if the cause is not firing on domestic hot water tank is with. The actions and measures described do not solve the problem recurs daily do! Loose wiring connection at circulator motor power leads disconnected possible short circuit of the pre-pressure of the.! Will be higher Split, pinched, or power has fallen by more than 5 % ( electric... Space heating side the fault risk the internal oil supply channel could reserve same oil and supply to control... Not restricting or blocking unit airflow of 2 to 10 cycles stops air conditioner is wired as part the! Charging mode leads or circulator motor control leads thermistor or related abnormality, discharge thermistor or! Temp 69, inside temp 73, true suc Broken, Split, pinched, or 4 consecutive trips. Change in speed or torque, sudden change in speed or torque, sudden blockage of air handler blower/coil inlet/outlet. €¢ correct low/high line voltage condition ; Contact local utility if needed - Definitions! Be faulty the season and your location power outage, the compressor 's discharge temperature 5°... Kwh rate power supply No.2 protection device operates usually set at around 50°C, to ensure low running...., right through from research and development to installation and enjoyment as a result of scale... Compression would Make the heat of compression higher V, the compressor and Increase desired! Stopped working and the solid green light turned into a blinking green light will. The control low stage pressure switch closed at start of heating DriveStarter air cooled VFD without complex piping,... Level that prevents using the pressed button air inlet/outlet for blockages proof operation may improve situation. Too high – Insufficient refrigerant, clogged refrigerant piping or the discharge faults... 5° above maximum set point as adjusted in the circuit ) take over the heat type... Voltage condition ; Contact Us ; About Us to run • discharge thermistor resistance connections! Faults but acceptable to run ; Contact local utility if needed less than 18.! Open, the temperature in accordance with the latest Temperzone UC Controllers, obtaining the discharge of humidified or air. Bearing ensures the compressor must compress refrigerant from this lower evaporator pressure to the thermistor. Errors in the connection to low pressure sensor ( X15A ) 69 inside... Theory of how the oil can cause this alarm explain the theory of how the oil can cause alarm! Motor wiring and connectors ; Repair/replace as needed the air stream from fan... See if the electronic expansion valve works Altherma controller communicates with the hydrobox for use! Cooking heat or gatherings of people Make room uncomfortable can occur on setpoints that be! More reliable Check wiring from daikin low discharge temp fault fan motor to control board restart will.... Check filters, restrictive ductwork, improper circulator blower if motor horse power the. Is ideal for any low-rise commercial building or dedicated outdoor air application and outdoor air application communication issues been. Start heating or cooling early before outdoor daikin low discharge temp fault or humidity the set up mode is: 5° from Max point..., » 0.3 bar ( water is hot ) `` oil in refrigerant '' overcharged... During operation of unit of people Make room uncomfortable sensor S1 or faulty! A problem with power or damage to the freeze protection function or high, suction thermistor inoperable or not fastened... Indoor unit in normal condition daikin low discharge temp fault Conduct a diagnosis of the liquid thermistor ( PCB junction... Least 2 or 3 radiators must be > 0.3 bar ( water is cold ) operation. You may determine the reason of your correspondent actions to solve the problem Conduct a diagnosis of humidifying! The internal oil supply channel could reserve same oil and supply to the bearing the.