Error Codes And Descriptions - Daikin VRV IV-S RXTQ-TAVJU Series Service Manual

Service Check Function
3.3

Error Codes and Descriptions

Error code
Indoor Unit A0
A1
A3
A6
A7
A8
A9
AF
AJ
C1
C4
C5
C6
C9
CA
CC
CE
CJ
Outdoor Unit E1
E3
E4
E5
E7
E9
F3
F6
H9
J3
J5
J6
J7
J9
JA
JC
L1
L4
L5
L8
L9
LC
P1
P4
129
Operation
lamp
l
External protection device abnormality
l
Indoor unit PCB abnormality
l
Drain level control system (S1L) abnormality
l
Indoor fan motor (M1F) lock, overload
Indoor fan motor abnormality
Overload/overcurrent/indoor fan motor lock
k
Swing flap motor abnormality
l
Power supply voltage abnormality
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)
l
Heat exchanger liquid pipe thermistor abnormality
l
Heat exchanger gas pipe thermistor abnormality
l
Combination abnormality (between indoor unit PCB and fan PCB)
l
Suction air thermistor (R1T) abnormality
Remote sensor abnormality
k
Discharge air thermistor abnormality
k
Humidity sensor system abnormality
k
Infrared presence/floor sensor error
k
Remote controller thermistor abnormality
l
Outdoor main PCB abnormality
l
Activation of high pressure switch
l
Activation of low pressure sensor
l
Inverter compressor motor lock
l
Outdoor fan motor abnormality
l
Electronic expansion valve coil abnormality
l
Discharge pipe temperature abnormality
l
Refrigerant overcharged
l
Outdoor air thermistor abnormality
l
Discharge pipe thermistor abnormality
l
Suction pipe thermistor abnormality
l
Outdoor heat exchanger deicer thermistor abnormality
l
Outdoor heat exchanger liquid pipe thermistor abnormality
l
Subcooling heat exchanger gas pipe thermistor abnormality
l
High pressure sensor abnormality
l
Low pressure sensor abnormality
l
PCB (for inverter compressor) abnormality
l
Radiation fin temperature rise abnormality
l
Inverter compressor instantaneous overcurrent
l
Inverter compressor overcurrent
l
Inverter compressor startup abnormality
l
Transmission error (between microcomputers on the outdoor main PCB)
l
Inverter circuit capacitor high voltage
k
Radiation fin thermistor abnormality
Description
SiUS331604E
k: ON h: OFF l: Blink
Reference
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Service Diagnosis