MULTI TYPE

Check code Check code name
Cause
[P29] / [16]
(AI-NET)
Compressor position detective
circuit error
1. Wire/connector connection error
2. Compressor error
3. A3-IPDU P.C. board error
Sub-code:
01: Compressor 1, 02: Compressor 2, 03: Compressor 3
Are connector
connection and wiring
normal?
No
Check and correct circuit and
cables such as wiring to
compressor, etc.
Yes
Is the unit grounded?
Yes
Compressor error ➝ Replace
No
Is not winding
shorted? (Is winding
resistance 0.1 to
0.4Ω?)
Yes
Compressor error ➝ Replace
No
Is not winding
opened?
Yes
Compressor error ➝ Replace
No
Check A3-IPDU P.C. board.
Failure ➝ Replace
Check code Check code name
Cause
[P31] / [47]
(AI-NET)
Other indoor error
(Group follower unit error)
Another indoor unit in the group is abnormal.
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.
224