Independent technical reference
Daikin
222 published entries
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Equipment covered
Documented codes
Air-to-water heat pump 48
E7-05Daikin Altherma 4 H F E7-05: outdoor fan motor 1 overcurrentHigh· Heat pumpsE7-61Daikin Altherma 4 H F E7-61: OU: Malfunction of outdoor unit fan motorHigh· Heat pumpsE7-63Daikin Altherma 4 H F E7-63: OU: Malfunction of outdoor unit fan motorHigh· Heat pumpsE9-01Daikin Altherma 4 H F E9-01: Malfunction of electronic expansion valveHigh· Heat pumpsE9-02Daikin Altherma 4 H F E9-02: Electronic expansion valve error due to wetnessHigh· Heat pumpsE9-03Daikin Altherma 4 H F E9-03: Malfunction of electronic expansion valveHigh· Heat pumpsEA01Daikin Altherma 4 H F EA-01: 4WV switching errorHigh· Heat pumpsEC00Daikin Altherma 4 H F EC-00: Abnormal increase tank temperatureHigh· Heat pumpsF3-01Daikin Altherma 4 H F F3-01: OU: Malfunction of discharge pipe temperatureHigh· Heat pumpsF3-02Daikin Altherma 4 H F F3-02: OU: Malfunction of discharge pipe temperatureHigh· Heat pumpsF3-20Daikin Altherma 4 H F F3-20: OU: Malfunction of discharge pipe temperatureHigh· Heat pumpsF3-24Daikin Altherma 4 H F F3-24: OU: Malfunction of discharge pipe temperatureHigh· Heat pumpsH0-02Daikin Altherma 4 H F H0-02: Outdoor unit gas sensor malfunctionHigh· Heat pumpsH0-04Daikin Altherma 4 H F H0-04: Outdoor unit gas sensor disconnectionHigh· Heat pumpsH3-01Daikin Altherma 4 H F H3-01: OU: Malfunction of high pressure switch (HPS)High· Heat pumpsH3-08Daikin Altherma 4 H F H3-08: OU: Malfunction of high pressure switch (HPS)High· Heat pumpsH7-01Daikin Altherma 4 H F H7-01: OU: Malfunction of outdoor unit fan motorHigh· Heat pumpsH7-31Daikin Altherma 4 H F H7-31: Fan motor operation hoursHigh· Heat pumpsH9-00Daikin Altherma 4 H F H9-00: OU: Malfunction of outdoor air thermistorHigh· Heat pumpsH9-01Daikin Altherma 4 H F H9-01: OU: Malfunction of outdoor air thermistorHigh· Heat pumpsHC00Daikin Altherma 4 H F HC-00: Tank thermistor abnormalityHigh· Heat pumpsJ3-01Daikin Altherma 4 H F J3-01: Discharge pipe Thermistor AbnormalityHigh· Heat pumpsJ3-47Daikin Altherma 4 H F J3-47: Discharge pipe Thermistor AbnormalityHigh· Heat pumpsJ5-00Daikin Altherma 4 H F J5-00: Malfunction of suction pipe thermistorHigh· Heat pumpsJ5-23Daikin Altherma 4 H F J5-23: Malfunction of suction pipe thermistorHigh· Heat pumpsJ6-00Daikin Altherma 4 H F J6-00: OU: Malfunction of heat exchanger thermistorHigh· Heat pumpsJ6-31Daikin Altherma 4 H F J6-31: Inlet water temperature Thermistor abnormalityHigh· Heat pumpsJ6-32Daikin Altherma 4 H F J6-32: Leaving water temperature thermistor Abnormality (outdoor unit)High· Heat pumpsJ6-36Daikin Altherma 4 H F J6-36: OU: Malfunction of injection thermistorHigh· Heat pumpsJ6-42Daikin Altherma 4 H F J6-42: OU: Malfunction of injection thermistorHigh· Heat pumpsJ8-00Daikin Altherma 4 H F J8-00: Malfunction of refrigerant liquid thermistorHigh· Heat pumpsJ9-23Daikin Altherma 4 H F J9-23: Heat pipe thermistor abnormalityHigh· Heat pumpsJA01Daikin Altherma 4 H F JA-01: OU: Malfunction of high pressure sensorHigh· Heat pumpsJC01Daikin Altherma 4 H F JC-01: Evaporator pressure abnormalityHigh· Heat pumpsL1-01Daikin Altherma 4 H F L1-01: Malfunction of INV PCBHigh· Heat pumpsL1-02Daikin Altherma 4 H F L1-02: Malfunction of INV PCBHigh· Heat pumpsL1-03Daikin Altherma 4 H F L1-03: inverter PCB current offset faultHigh· Heat pumpsL1-04Daikin Altherma 4 H F L1-04: Malfunction of INV PCBHigh· Heat pumpsL1-05Daikin Altherma 4 H F L1-05: Malfunction of INV PCBHigh· Heat pumpsL1-06Daikin Altherma 4 H F L1-06: Malfunction of INV PCBHigh· Heat pumpsL1-27Daikin Altherma 4 H F L1-27: Malfunction of INV PCBHigh· Heat pumpsL1-31Daikin Altherma 4 H F L1-31: Malfunction of INV PCBHigh· Heat pumpsL1-55Daikin Altherma 4 H F L1-55: Malfunction of INV PCBHigh· Heat pumpsL3-00Daikin Altherma 4 H F L3-00: outdoor switch box temperature highHigh· Heat pumpsL4-00Daikin Altherma L4-00: inverter radiation fin overheatingHigh· Heat pumpsL4-01Daikin Altherma 4 H F L4-01: inverter radiation fin overheatingHigh· Heat pumpsL4-06Daikin Altherma 4 H F L4-06: fan 1 radiation fin overheatingHigh· Heat pumpsL4-07Daikin Altherma 4 H F L4-07: fan 2 radiation fin overheatingHigh· Heat pumps