2.3.163 Indoor Unit Related Error Codes - Daikin VRV IV+ Service Manual

2 Troubleshooting

2.3.163 Indoor unit related error codes

Error code Description
A0-00 Main PCB error
A1-00 EEPROM error on main PCB
A3-00 Float switch open during thermo ON in cooling mode
A6-01 Fan motor locked
A6-10 Fan motor overcurrent
A6-11 Fan motor locked
A7-00 No detection contact swing motor
A9-01 Expansion valve motor fault detection
A9-02 Expansion valve bleeding
AF-00 Float switch open during thermo OFF
AH-03 Transmission error between main PCB and
self‑cleaning PCB
AH-04 Dust detection sensor error
AH-05 Dust collection error
AH-06 Air filter rotation error
AH-07 Damper rotation error
AH-08 Filter cleaning time error
AH-09 Auto self‑cleaning disabled
AJ-01 Capacity adapter missing
AJ-02 Incorrect expansion valve motor
C1-01 Transmission error between main PCB and fan
motor PCB
C1-02 Transmission error between main PCB and auxiliary PCB
C4-02 Liquid thermistor short circuit
C4-03 Liquid thermistor open circuit
C5-02 Gas thermistor short circuit
C5-03 Gas thermistor open circuit
C6-01 Combination error: Main PCB – Fan motor PCB
C9-02 Air thermistor short circuit
C9-03 Air thermistor open circuit
CE-01 No signal from optional presence sensor
CE-02 No signal from optional floor temperature sensor
CE-03 Faulty signal from floor temperature sensor
CE-04 High temperature detection or electrical noise on
floor temperature sensor
CJ-02 Air thermistor on Remote controller short circuit
CJ-03 Air thermistor on Remote controller open circuit
U4-01 Communication error between indoor unit and
outdoor unit
U9-00 Error on other indoor unit
UA-13 Combination error: indoor unit – outdoor unit
(refrigerant)
UA-15 Outdoor unit not compatible with self‑cleaning panel
UE-00 Communication error with central controller device
Service manual
68
https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07