– 108 –

[P04 error]

Is high-voltage

NO

protective operation by

 

 

TE sensor normal?

 

YES

 

 

 

Is connection of cabling

NO

 

connector normal?

 

 

 

YES

 

 

 

 

 

 

 

 

Does cooling outdoor fan

 

NO

 

 

 

 

 

 

 

 

 

 

 

normally operate?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

Is connection of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connector normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

Is fan motor normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

Does PMV normally operate?

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

Check TE, TC, TS sensors.

 

 

 

Do not TD and TO sensors

 

 

 

 

 

 

Replace electron expansion valve.

 

 

 

come off the detection part?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are characteristics of

NO

 

 

 

 

 

 

 

TD, TO, TC sensor resistance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

values normal?

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

Check charged refrigerant amount.

Check liquid/gas valves.

Check abnormal overload.

Correct connection of cabling connector.

Check TE sensor. Defect Replace

Correct connection

of connector.

Replace fan motor.

Correct coming-off.

Replace TD, TO, and TC sensors.

Check CDB.

Defect Replace

Refer to 10-2-6. Relational graph of temperature sensor resistance value and temperature Characteristics-3, 4.

– 108 –

Page 108
Image 108
Toshiba RAV-SM1603DT-A, RAV-SM1603ATZG-E, RAV-SM1603ATZ-E, RAV-SM1403DT-A service manual P04 error, 108