Toshiba RAV-GV1601AT8P-E Service Manual page 60

Check Outdoor
code LED display
[H01]
[H02]
(Item without special mention Indicates part of outdoor unit.)
[Compressor break down]
Is power supply voltage normal?
AC342 to 457V
YES
Is wire connection correct?
Compressor lead
(P.C. board side, Compressor side),
Reactor lead, Power supply lead
YES
Does an abnormal overload happen?
YES
Check compressor IPDU P.C. board.
Failure → Replace
* When replacing Compressor IPDU P.C.board,
replace the fuse.
[Compressor lock]
Is power supply voltage normal?
AC342 to 457V
YES
Is wire connection correct?
Compressor lead
(P.C. board side, Compressor side),
Reactor lead, Power supply lead
YES
Is compressor under correct conditions?
YES NO
Is there refrigerant stagnation?
Does PMV correctly operate?
Check compressor IPDU P.C. board.
Failure → Replace
* When replacing Compressor IPDU P.C.board,
replace the fuse.
Check and troubleshooting
NO
NO
NO
NO
NO
NO
YES
NO
YES
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Correct power supply line.
Check wire connection
and correct it.
Remove and improve
the cause of overload.
Correct power supply line.
Check wire connection
and correct it.
Compressor lock → Replace
Check TE, TS sensors
and PMV.
Failure → Replace