Troubleshooting By Error Code; Error Codes And Descriptions - Daikin VRV RXYMQ-A Series Service Manual

SiME332106E

5. Troubleshooting by Error Code

5.1

Error Codes and Descriptions

Error code
Indoor Unit A0
A1
A3
A6
A8
A9
AF
AH
AJ
C1
C4
C5
C6
C9
CE
CJ
Part 6 Service Diagnosis
Operation
lamp
External protection device abnormality
l
Indoor unit PCB abnormality
l
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
Auto grille unit error
l
Defective capacity setting
l
Transmission abnormality (between indoor unit PCB and fan PCB)
l Transmission error
Transmission error (between indoor unit PCB and auto grille control PCB)
Indoor heat exchanger liquid pipe thermistor abnormality
l
l Indoor heat exchanger gas pipe thermistor abnormality
Combination abnormality (between indoor unit PCB and fan PCB)
l Capacity setting abnormality
Indoor unit PCB abnormality
Suction air thermistor abnormality
l
Infrared presence/floor sensor error
k
k Remote controller thermistor abnormality
Troubleshooting by Error Code
Description
k: ON h: OFF l: Blink
Reference
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