– 183 –
No
No
No
Ye s
Ye s
Ye s
Ye s
No
[P29]
[P31]
Check code
CauseCheck code name
Check code CauseCheck code name
Compressor position detective
circuit error
1. Wire/connector connection error
2. Compressor error
3. A3-IPDU P.C. board error
Other indoor error
(Group follower unit error)
Another indoor unit in the group is abnormal.
Sub-code:
01: Compressor 1, 02: Compressor 2, 03: Compressor 3
Are connector
connection and wiring
normal?
Is the unit grounded?
Is not winding
shorted? (Is winding
resistance 0.1 to
0.4Ω?)
Is not winding
opened?
Check and correct circuit and
cables such as wiring to
compressor, etc.
Compressor error → Replace
Compressor error → Replace
Compressor error → Replace
Check A3-IPDU P.C. board.
Failure → Replace
When the header unit of the group detected error [E03], [L03], [L07] or [L08], the follower unit of the group displays
[P31] error and stops. There are no check code display and alarm record of the main remote controller.
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