Toshiba RAV-GM1601AT8P-E Service Manual page 70

Check Outdoor
code LED display
[P05]
[P07]
[P15]
Check and troubleshooting
(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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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.
Correct short-circuit.
YES
Repair defective position.
Recharge refrigerant.
NO
Repair defective position.
Replace defective part.
NO
Open service valve fully.
YES
Correct and replace piping.
Error
Correct connector.
Sensor error → Replace