Toshiba RAV-GM301ATP-E Service Manual page 59

Check Outdoor
code LED display
—
[H03]
—
[L10]
—
[P03]
—
[P05]
[P07]
—
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Current detection circuit error]
Check outdoor P.C. board.
Defect → Replace
[Unset model type] : Only when service P.C. board is used
Cut jumper line according to the explanation
sheet packaged with the service P.C. board.
[Discharge temp. error]
Is there gas leak?
Is there refrigerant shortage?
NO
Is PMV under correct condition
YES
Does an abnormal overload happen
NO
Is CN601 connection correct?
Is resistance value of TD sensor correct?
YES
[Power supply error]
Is the power supply voltage
is lower than or over the range?
50 Hz : AC 198 to 264 V
60 Hz : AC 198 to 242 V
NO
[Heat sink overheat error]
Is the power device on P.C. board
tightly screwed?
Are radiation grease properly applied?
YES
Does anything block the ventilation
around the heat sink?
Does anything block air flow
from the fan?
NO
– 59 –
YES
Repair defective position.
Recharge refrigerant.
NO
Repair defective position.
Replace defective part.
YES
Remove and improve the
cause of overload.
NO
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
Confirm power supply, etc.
Check outdoor P.C. board.
Defect → Replace
NO Apply radiation grease
to the power device.
Retightening of screws.
YES
Remove blocking matter.
Correct short-circuit.
Check outdoor P.C. board.
Defect → Replace
FILE NO. SVM-18042-1