Toshiba HWS-802XWHT6-E - Manual (Page 96)

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Toshiba
[P07] <Indication 1> <Indication 2> [Heat sink overheat failure]
[P15] <Indication 1> <Indication 2> [Gas leakage detection]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
The screws are loose in motor
drive element, Q200/300/400,
of outdoor control board and
rectifier, DB01/02/03.
Radiation grease was not applied
to backside of Q200, DB01,
DB02, or DB03.
Apply radiation grease as
needed Tighten screws
(Be sure to place back
the insulation sheet
between Q300/400 and
the heat sink.)
Check outdoor control board
If defective, replace it
Yes
No
Ventilation flue of heat sink
is cleared, Blower is not blocked
(Short circuit, etc.).
Remove obstacles,
Deal with short circuit No
Yes
Check outdoor control board
If defective, replace it
No gas leakage.
Appropriate refrigerant amount. Correct defective portion
Re-charge refrigerant No
Yes
Pulse motor valve is normal.
Correct defective portion
Replace defective parts No
Yes
Service valve is fully opened. Open fully service valve
No
Yes
Piping collapse Repair or replace pipe
Yes
No
Temperature sensor check
Discharge sensor CN603
Suction sensor CN600
Correct connector
Replace sensor NG
OK
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 95 Monday, October 5, 2009 2:09 PM