Toshiba RAV-GM1101AT8P-E Service Manual page 58

Check Outdoor
code LED display
[P05]
[P07]
[P15]
(Item without special mention Indicates part of outdoor unit.)
[Power supply error]
Is there no open phase of
the power supply?
NO
Is there no down or up
of power supply voltage?
(AC342 to 457V)
NO
[Heat sink overheat error]
Is the power device on P.C. board screwed
without looseness?
(Q200 of MCC-1627)
Are radiation grease properly applied?
(Q200 of MCC-1627)
YES
Does something block the
ventilation around the heat sink?
Does something block air flow from
the fan?
NO
Check outdoor P.C. board.
Defect → Replace
[Gas leak detection]
Is there gas leak?
Is there refrigerant shortage?
NO
Is PMV under correct conditions?
YES
Is service valve fully opened?
YES
Is there crushed pipe?
NO
Check temp. sensor.
TD sensor CN603
TS sensor CN600
OK
Check outdoor P.C. board.
Defect → Replace
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Check and troubleshooting
YES
Correct wiring
YES
Confirm electric construction, etc.
Check outdoor P.C. board.
Defect → Replace
NO
Apply radiation grease to objective parts.
Retightening of screws.
YES
Remove blocking matter.
YES
Repair defective position.
NO
Repair defective position.
NO
Open service valve fully.
YES
Correct and replace piping.
Error
Sensor error → Replace
FILE NO.SVM-18044-1
Correct short-circuit.
Recharge refrigerant.
Replace defective part.
Correct connector.