Toshiba RAV-GV1101AT8P-TR Service Manual page 61

Check Outdoor
code LED display
[H03]
[H04]
(Item without special mention Indicates part of outdoor unit.)
[Current detection circuit trouble]
Replace compressor IPDU P.C.board
[Case thermostat operation]
Are CN67 connection and
case thermostat correct?
YES
When shorting the case
thermostat, can you perform
the cooling/heating operation?
YES
Is there gas leak?
Is there refrigerant shortage?
NO
Is service valve fully opened?
YES
Is PMV normal?
YES
Check and troubleshooting
NO
Case thermostat trouble → Replace
Check compressor CDB P.C. board.
NO
* When replacing Compressor CDB
P.C.board, replace the fuse.
YES
NO
NO
Check crushed or broken pipe.
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Correct connector.
Failure → Replace
Fault part repair.
Recharge refrigerant.
Open service valve fully.
Replace the PMV.
Fault part repair