Daikin REYQ-TA Series Service Manual page 181

SiUS371614E
Error code
JC
Outdoor Unit
L1
L3
L4
L5
L8
L9
LC
P1
P3
P4 (∗1)
PJ
U0 (∗1)
System
U1
U2
U3
U4
U5
U7
U8
U9
UA
UC (∗1)
UE
UF
UH
∗1. The system can keep operating, however, be sure to check and repair.
Note:
∗2. The system may or may not continue operation depending on the conditions.
Service Diagnosis
Operation
lamp
l
Low pressure sensor abnormality
l
Inverter PCB abnormality
l
Reactor temperature rise abnormality
l
Inverter radiation fin temperature rise abnormality
l
Inverter compressor instantaneous overcurrent
l
Inverter compressor overcurrent
l
Inverter compressor startup abnormality
l
Transmission error between inverter PCB and outdoor unit main PCB
l
Power supply voltage imbalance
l
Reactor temperature abnormality
l
Inverter radiation fin temperature abnormality
l
Field setting after replacing outdoor unit main PCB abnormality or combination
of PCB abnormality
k
Refrigerant shortage
l
Reverse phase, open phase
l
Power supply insufficient or instantaneous abnormality
l
Check operation not executed
l
Transmission error between indoor units and outdoor units
l
Transmission error between remote controller and indoor unit
l
Transmission error between outdoor units
l
Transmission error between main and sub remote controllers
l
Transmission error between indoor unit and outdoor unit in the same system
l
Improper combination of indoor unit and outdoor unit, indoor unit and remote
controller
Incorrect electric heater capacity setting
k
Address duplication of centralized controller
l
Transmission error between centralized controller and indoor unit
l
System not set yet
l
System abnormality, refrigerant system address undefined
Error contents
Service Check Function
k: ON h: OFF l: Blink
Reference
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