Toshiba RAV-GM 801UT-E Service Manual page 74

Check Outdoor
code LED display
[P07]
[P15]
(Item without special mention Indicates part of outdoor unit.)
[Heat sink overheat trouble]
Is there any looseness in the screw
stop of the motor drive element
IC200 of the outdoor P.C. board,
the sub heat sink, and the diode bridge?
Are radiation grease properly applied?
Does something block the
ventilation around the heatsink?
Does something block air flow
from the fan?
(Short circuit etc.)
Check outdoor P.C. board.
Failure → Replace
* When replacing outdoor P.C.board, replace
the fuse.
[Gas leak detection]
Is there gas leak?
Is there refrigerant shortage?
Is PMV normal?
Is service valve fully opened?
Is there crushed pipe?
Check temp. sensor.
TD sensor CN603
TS sensor CN600
Check outdoor P.C. board.
Failure → Replace
Check and troubleshooting
YES
NO
NO
YES
YES
NO
NO
YES
NO
YES
YES
NO
Trouble
OK
– 74 –
Apply radiation grease
to objective, retightening
of screw
Remove blocking matter,
Short circuit improvement
Fault part repair.
Recharge refrigerant.
Replace the PMV.
Open service valve fully.
Correct and replace piping.
Correct connector.
Sensor trouble → Replace