Toshiba MMK-AP0072H, Service Manual, Page: 108 / 125

108
Check code name
[P29] / [16]
(Current code / AI-NET)
Check code name
Compressor position
detective circuit error
Cause of operation
1. Cable/connector connection error
2. Compressor error
3. IPDU P.C. board error
Sub-code: 01: Compressor 1 side 02: Compressor 2 side
Check code name
[P31] / [47]
(Current code / AI-NET)
Check code name
Other indoor error
(Group follower unit error)
Cause of operation
Other indoor unit in the group is abnormal.
When the header unit of the group detected [E03, L03, L07, L08 error], 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.
Is not grounded?
Is not winding opened?
Are connector connection
and wiring normal?
Is not winding shorted?
(Is winding resistance 0.6 to 1.2W?)
Check IPDU P.C. board.
Failure Replace
Compressor error Replace
Compressor error Replace
Compressor error Replace
Check and correct circuit and cables
such as cabling to compressor, etc.
YES
YES
YES
YES
NO
NO
NO
NO
FILE NO. SVM-05052