93
Check code name
[L30] / [b6]
(Current code / AI-NET)
Check code name
Interlock in indoor unit
from outside
Cause of operation
Outside error was input.
Check code name
[L31] / [–]
(Current code / AI-NET)
Check code name
Extended IC error
Cause of operation
1. Outdoor unit power error
2. Outdoor I/F P.C. board error
Does outside device correctly operate?
Check cause of the operation.
Is outside device connected
to connector CN80?
Check indoor P.C. board.
Failure
Replace
Check outside device.
Failure
Replace
YES
YES
NO
NO
Check outdoor I/F P.C. board.
Is there any trouble of
outdoor unit power supply?
Check power voltage and line.
Check auxiliaty noise, etc.
NO
YES
FILE NO. SVM-05052
Summary of Contents for MMK-AP0072H
Page 125: ...TOSHIBA CARRIER CORPORATION ...
