Daikin, which has a presence in many technology fields, is also in the chiller cooling sector. It continues its activities mostly with McQuay brand chiller groups. Different types of chillers are produced depending on the facility where the chiller will operate. It is one of the brands preferred in facilities with high capacities. It is frequently used in hospital MRI devices, food and cosmetics production facilities and chemical production facilities. Daikin Technical Service Fault repairs and maintenance must be carried out by Daikin Authorized Service. Since they are expensive devices, a small mistake made during intervention by a non-expert team can result in major losses. You can contact us for Daikin Chiller malfunction repair, maintenance and spare parts warranty. What Should Be Done in Case of Malfunction? In case of malfunction, the list of Daikin Error Codes should be checked. Accordingly, one can have an idea about what the malfunction is. Then Daikin Technical Service should be contacted. The intervention must be carried out by expert teams. You can find the fault codes in the rest of our article. Daikin Chiller Error Codes
- A0: Indoor unit safety elements error
- A3: Indoor unit PCB failure
- A4: Indoor unit drainage control system malfunction
- A6: Indoor fan motor locking
- A7: Indoor unit swing flap failure
- A9: Indoor unit expansion valve part failure
- AF: Drainage upper level limit
- AJ: Indoor unit capacity detector is defective
- C4: Indoor unit liquid line transistor failure
- C5: Indoor unit thermistor failure
- C9: Indoor unit inlet air thermistor failure
- CJ: Indoor unit remote controller thermostat sensor defective
- E0: Outdoor unit safety element is activated
- E1: Outdoor unit PCB board is defective
- E3: Outdoor unit high pressure switch activated
- E4: Outdoor unit low pressure switch activated
- E9: Part of the outdoor unit expansion valve is defective
- F3: There is an abnormality in the outdoor unit discharge pipe temperature
- H9: Outdoor unit air thermistor defective
- J3: Outdoor unit discharge pipe thermistor is defective
- J5: Outdoor unit suction pipe thermistor defective
- J6: Outdoor unit heat exchanger thermistor defective
- JA: Outdoor unit discharge pipe pressure sensor defective
- JC: Outdoor unit suction pipe pressure sensor defective
- JH: Outdoor unit oil temperature thermistor defective
- U0: Low pressure drop due to lack of refrigerant
- U1: Reverse phase
- U2: Insufficient voltage or supply failure
- U4: Communication error between indoor units
- U5: Communication error between remote controller and indoor unit
- U7: Communication error between outdoor units
- U8: Communication error between master and slave controllers
- U9: Indoor and outdoor unit communication error in the same system
- UA: There is an excess number of indoor units
- UC: Central remote control address copy
- UF: Unset refrigerant temperature
- UH: System error
- L4: Outdoor unit inverter cooler fin temperature rise
- L5: Outdoor unit inverter overcurrent
- L8: Outdoor unit inverter thermostat sensor compressor overload
- L9: Outdoor unit inverter compressor interlock
- LC: Outdoor unit inverter and PCB board failure
- P1: Outdoor unit inverter surge copy
- P4: Outdoor unit inverter cooler fin temperature rise sensor failure
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