Toshiba RAV-SM560AT-E Service Manual page 126

Toshiban lämmitys- ja jäähdytyslaitteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy
[11 error]
Turn off the breaker once.
Turn on the breaker
after approx. 10 seconds.
NO
Does fan stop when
operation stopped?
YES
Start the operation with
cooling mode [L (Low)].
NO
Does the fan rotate?
YES
Is DC280V or more voltage applied
between 1 + and 3 – of the
motor connector (CN210)?
(Connection status of motor)
Is DC15V or more voltage applied
between 4 + and 3 – of the
motor connector (CN210)?
Change the cooling
mode to [H (High)].
Is DC1V or more voltage applied
between 5 + and 3 – of the
motor connector (CN210) when changing
the operation mode (except HEAT)?
(Check within approx. 15 seconds
after operation has started.)
NO
Is fan speed raised?
YES
Normal fan motor
NO
Does the cross flow fan rotate normally
when handled with hands?
Does 0 to 5V voltage
(revolutions return signal) generate
between 6 + and 3 – of the
motor connector (CN210) when rotating
the cross flow fan with hands under
condition of operation-stop?
Repair bering of the cross flow fan.
Is DC1V or more voltage applied
between 5 + and 3 – of the
motor connector (CN210)?
NO
YES
NO
YES
Stop the operation and turn off the breaker.
After removing motor connector,
turn on the breaker again and then stop
the operation from remote controller.
Is DC15V voltage applied
between 4 + and 3 – of the
motor connector (CN210)?
NO
YES
Stop the operation and disconnect the
receptacle. After removing motor connector,
connect receptacle again and then stop
the operation from remote controller.
Is DC1V or more voltage applied
between 5 + and 3 – of the
motor connector (CN210) when changing
the operation mode (except HEAT)?
(Check within approx. 15 seconds
after operation has started.)
YES
NO
YES
– 126 –
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NO
YES
NO
YES
YES
NO
Replace indoor fan motor.
Replace indoor main P.C. board
(MCC-1370A).
Replace indoor main P.C. board
(MCC-1370A).
Replace indoor fan motor.
Replace indoor main P.C. board
(MCC-1370A).
Replace indoor fan motor.