Error Codes And Descriptions - Daikin RXQ12AHR Service Manual

SiAF341904E
4.4

Error Codes and Descriptions

Error code
Indoor Unit A0
A1
A3
A6
A8
A9
AF
AH
AJ
C1
C4
C5
C6
C9
CE
CJ
Outdoor Unit E1
E2
E3
E4
E5
E7
E9
F3
F4
F6
H3
H7
H9
J3
J5
J7
J8
J9
JA
JC
L1
L2
L4
L5
L8
L9
LC
P1
P3
P4
PJ
Part 6 Service Diagnosis
Operation
lamp
l External protection device abnormality
l Indoor unit PCB abnormality
Drain level control system abnormality
l
Indoor fan motor lock, overload
l
Indoor fan motor abnormality
l Power supply voltage abnormality
l Electronic expansion valve coil abnormality, dust clogging
k Humidifier system abnormality
l Auto grille unit error
l Capacity determination device abnormality
Transmission abnormality (between indoor unit PCB and fan PCB)
l Transmission error
Transmission error (between indoor unit PCB and auto grille control PCB)
l Indoor heat exchanger liquid pipe thermistor abnormality
Indoor heat exchanger gas pipe thermistor abnormality
l
Combination abnormality (between indoor unit PCB and fan PCB)
l Capacity setting abnormality
Indoor unit PCB abnormality
Suction air thermistor (R1T) abnormality
l
Infrared presence/floor sensor error
k
Remote controller thermistor abnormality
k
Outdoor unit main PCB abnormality
l
Current leakage detection
l
Missing of leakage detection core
l Activation of high pressure switch
Activation of low pressure sensor
l
Inverter compressor motor lock
l
Outdoor fan motor abnormality
l
Electronic expansion valve coil abnormality
l
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 PCB abnormality
l Outdoor air thermistor (R1T) abnormality
Discharge pipe thermistor (R21T, R22T) abnormality
l
Compressor body thermistor (R8T, R9T) abnormality
Suction pipe thermistor (R3T) abnormality
l
l Subcooling heat exchanger liquid pipe thermistor (R5T) abnormality
l Heat exchanger liquid pipe thermistor (R4T) abnormality
l Subcooling heat exchanger gas pipe thermistor (R6T) abnormality
l High pressure sensor abnormality
l Low pressure sensor abnormality
l Inverter PCB abnormality
l Momentary power failure during test operation
Inverter radiation fin temperature rise abnormality
l
Compressor instantaneous overcurrent
l
Compressor overcurrent
l
Compressor startup abnormality
l
Transmission error between inverter PCB and outdoor unit main PCB
l
l Power supply voltage imbalance
l Reactor temperature abnormality
l Inverter radiation fin temperature abnormality
Field setting after replacing outdoor unit main PCB abnormality or
l
combination of PCB abnormality
Troubleshooting with Remote Controller
Error contents
k: ON h: OFF l: Blink
Reference
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