– 47 –
* For SM56, SM80, replace control P.C. board.
Is there no abnormal overload?
Is power supply voltage normal?
Is compressor normal?
Are cabling/connector normal?
Was the error just after
power ON determined?
Is IPDU P.C. board come to
closely contact with heat sink?
Are connections of
CDB CN800 and CDB IPDU CN06
connectors normal?
Improve and eliminate the cause.
Correct connection of connector.
Modify power supply line.
Correct mounting.
Improve power line.
Compressor lock
®
Replace
Check cabling between IPDU
and CDB and connector.
Check compressor error and rear short.
Defect
®
Replace
Check outdoor control P.C. board.
Defect
®
Replace
IPDU P.C. board error
Defect
®
Replace
IPDU P.C. board error
Defect
®
Replace
Check TE and TS sensors.
®
Replace
Check P.M.V.
®
Replace
Is there no
slackened refrigerant?
Does P.M.V.
normally operate?
Is power voltage normal?
Is compressor normal?
Are connections of
wire/connector normal?
Check and correct circuit wiring
such as cabling to compressor
(phase missing) and connector.
Check IPDU and CDB.
Defect
®
Replace
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
[L29 error]/[1C error]
In case of RAS-SM56, SM80
In case of RAS-SM110, SM140
[H02 error]/[1d error]