Troubleshooting By Error Code; Error Codes And Descriptions - Daikin REYQ-AATJA Service Manual

Troubleshooting by Error Code

3. Troubleshooting by Error Code
3.1

Error Codes and Descriptions

Error Operation
code lamp
A0
A1
A3
A6
A7 (1)
k
A8
A9
AA
AF (1) k
Indoor
AH
Unit
AJ
C1
C4
C5
C6
C9 (2)
CA
CC k
CE (1)
k
CJ (2)
k
E1
E2
E3
E4
E5
E6
E7
Outdoor
Unit
E9
EA
F3
K k  l
F4
F6
Branch
Selector F9
Unit
275
External protection device abnormality
l
Indoor unit control PCB abnormality
l
l Drain level control system abnormality
Indoor fan motor lock, overload
Indoor fan motor abnormality
Overload/overcurrent/lock of indoor fan motor
l
Blower motor not running
Indoor fan motor status abnormality
Low indoor airflow
Swing flap motor abnormality
Power supply voltage abnormality
l
Blower motor stops for over/under voltage
l Electronic expansion valve coil abnormality, dust clogging
Gas furnace abnormality
l
Drain level above limit
l Self-cleaning decoration panel abnormality
l Capacity determination device abnormality
Transmission abnormality between indoor unit control PCB and fan PCB
l Blower motor communication error
Climate Talk communication error
l Indoor heat exchanger liquid pipe thermistor abnormality
Indoor heat exchanger gas pipe thermistor abnormality
l
Combination error between indoor unit control PCB and fan PCB
l Blower motor HP mismatch
Indoor blower does not have required parameters to function
Suction air thermistor abnormality
l
Remote sensor abnormality
l Discharge air thermistor abnormality
Humidity sensor system abnormality
Infrared presence/floor sensor error
Remote controller thermistor abnormality
l Outdoor unit main/sub PCB abnormality
Detection of ground leakage by leak detection circuit
l
Missing of ground leakage detection core
Activation of high pressure switch
l
l Activation of low pressure sensor
l Compressor motor lock
l Compressor damage alarm
Outdoor fan motor abnormality
l
Electronic expansion valve coil abnormality
l
Sub PCB momentary overcurrent
Four way valve abnormality (intermediate stop)
Four way valve abnormality (not switching)
l
Opposite air conditioning alarm
l Discharge pipe temperature abnormality
Wet alarm
Refrigerant overcharged
l
l Branch Selector unit electronic expansion valve abnormality
Error contents
SiUS372201EA
k: ON h: OFF l: Blink
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Part 6 Service Diagnosis