Error Codes And Descriptions - Daikin REYQ-TA Series Service Manual

Service Check Function
2.3

Error Codes and Descriptions

Error code
A0
Indoor Unit
A1
A3
A6
A7 (∗1)
A8
A9
AF (∗1)
AJ
C1
C4
C5
C6
C9 (∗2)
CA
CC
CE (∗1)
CJ (∗2)
E1
Outdoor Unit
E3
E4
E5
E6
E7
E9
F3
F4
F6
H3
H7
H9
J3
J5
J6
J7
J8
J9
JA
167
Operation
lamp
l
External protection device abnormality
l
Indoor unit PCB abnormality
l
Drain level control system abnormality
l
Fan motor lock, overload
Indoor fan motor abnormality
Overload/overcurrent/lock of indoor fan motor
Blower motor not running
Indoor fan motor status abnormality
Low indoor airflow
k
Swing flap motor abnormality
l
Power supply voltage abnormality
Blower motor stops for over/under voltage
l
Electronic expansion valve coil abnormality, dust clogging
k
Drain level above limit
l
Capacity determination device abnormality
l
Transmission abnormality between indoor unit PCB and fan PCB
Blower motor communication error
l
Heat exchanger liquid pipe thermistor abnormality
l
Heat exchanger gas pipe thermistor abnormality
l
Combination error between indoor unit PCB and fan PCB
Blower motor HP mismatch
Indoor blower does not have required parameters to function
l
Suction air thermistor abnormality
Remote sensor abnormality
l
Discharge air thermistor abnormality
k
Humidity sensor system abnormality
k
Infrared presence/floor sensor error
k
Remote controller thermistor abnormality
l
Outdoor unit main PCB abnormality
l
Actuation of high pressure switch
l
Actuation of low pressure sensor
l
Inverter compressor motor lock
l
Compressor damage alarm
l
Outdoor fan motor abnormality
l
Electronic expansion valve coil abnormality
l
Discharge pipe temperature abnormality
l
Wet alarm
l
Refrigerant overcharged
l
Harness abnormality (between outdoor unit main PCB and inverter PCB)
l
Outdoor fan motor signal abnormality
l
Outdoor air thermistor (R1T) abnormality
l
Discharge pipe thermistor (R21T, R22T, R2T) abnormality
Compressor body thermistor (R14T) abnormality
l
Compressor suction thermistor (R12T) abnormality
Suction air thermistor (R10T) abnormality
l
Heat exchanger deicer thermistor (R11T) abnormality
Heat exchanger gas pipe thermistor (R8T, R9T) abnormality
l
Receiver inlet thermistor (R3T) abnormality
Subcooling heat exchanger liquid pipe thermistor (R7T) abnormality
l
Heat exchanger liquid pipe thermistor (R4T, R5T) abnormality
l
Subcooling heat exchanger gas pipe thermistor (R6T) abnormality
Receiver gas purge thermistor (R13T) abnormality
l
High pressure sensor abnormality
Error contents
SiUS371614E
k: ON h: OFF l: Blink
Reference
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Service Diagnosis