[11 error]

Turn off the breaker once.

Turn on the breaker

after approx. 10 seconds.

Does fan stop when

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

operation stopped?

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is DC1V or more voltage applied

 

 

 

 

 

 

 

 

 

between 5

+ and 3 of the

 

 

 

Replace indoor fan motor.

 

 

 

 

 

 

 

 

 

 

 

motor connector (CN210)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Start the operation with

 

 

 

 

 

 

 

 

 

 

cooling mode [L (Low)].

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does the fan rotate?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace indoor main P.C. board

 

Is DC280V or more voltage applied

NO

 

 

 

 

 

 

 

(MCC-1370A).

 

 

between 1

+ and 3 of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

motor connector (CN210)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Connection status of motor)

NO

 

 

 

 

 

Is DC15V or more voltage applied

 

 

 

 

 

 

 

 

 

 

 

 

 

between 4

+ and 3 of the

 

 

 

 

 

 

 

 

motor connector (CN210)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stop the operation and turn off the breaker.

 

 

 

 

 

 

 

 

 

 

After removing motor connector,

 

 

 

 

Change the cooling

 

 

 

 

 

 

 

 

 

 

 

 

turn on the breaker again and then stop

 

 

 

 

mode to [H (High)].

 

 

 

 

the operation from remote controller.

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is DC15V voltage applied

 

 

 

 

 

 

 

 

 

 

 

Replace indoor main P.C. board

 

 

 

 

 

 

between 4

+ and 3 of the

 

 

 

 

 

 

 

 

 

 

 

 

(MCC-1370A).

 

 

 

 

 

 

motor connector (CN210)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

Is DC1V or more voltage applied

between 5 + and 3 of the NO motor connector (CN210) when changing

the operation mode (except HEAT)? (Check within approx. 15 seconds after operation has started.)

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

NO

Stop the operation and disconnect the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is fan speed raised?

 

 

 

receptacle. After removing motor connector,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connect receptacle again and then stop

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

the operation from remote controller.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is DC1V or more voltage applied

 

 

 

 

 

 

 

 

 

 

 

 

between 5 + and 3 of the

YES

 

 

 

 

 

 

 

 

 

 

motor connector (CN210) when changing

 

Replace indoor fan motor.

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal fan motor

 

 

 

 

the operation mode (except HEAT)?

 

 

 

 

 

 

 

 

 

 

(Check within approx. 15 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

after operation has started.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

Does the cross flow fan rotate normally

 

NO

 

 

 

 

 

 

when handled with hands?

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

Does 0 to 5V voltage

 

 

 

(revolutions return signal) generate

 

 

 

NO

 

between 6 +

and 3 of the

 

 

 

 

motor connector (CN210) when rotating

 

 

 

the cross flow fan with hands under

 

 

 

condition of operation-stop?

 

 

YES

Repair bering of the cross flow fan.

Replace indoor main P.C. board (MCC-1370A).

Replace indoor fan motor.

126

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Image 126
Toshiba RAV-SM800AT-E, RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM560AT-E, RAV-SM560BT-E, RAV-SM800BT-E service manual 126, Yes

RAV-SM800BT-E, RAV-SM560BT-E, RAV-SM560AT-E, RAV-SM560UT-E, RAV-SM800UT-E specifications

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