High Wall, Heat Pump Type
Service Manual
88
Toshiba
Check Check winding resistance between
phases of compressor, and
resistance between outdoor frames
by using a tester.
• Is not grounded. → OK if 10MΩ or more
• Is not short-circuited between
windings.
→ OK if 1.24Ω 1.37Ω
(Check by a digital tester.)
• Winding is not opened.
Operation Remove connector CN300 of the
outdoor fan motor, turn on the power
supply breaker, and perform the
operation.
(Stops though activation is
prompted.)
Check operation within 2 minutes 20
seconds after activation stopped.
Diagnosis/Process flowchart Item Contents Summary
NG
OK
BA
Replace control
board assembly.
Replace
control board.
Replace
compressor.
Check
compressor
winding
resistance.
+00A08-010_01EN_SVM_HighWallHeatPump.book Page 88 Wednesday, March 4, 2009 11:22 AM
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