Справочник Пользователя для Toshiba RAS-10SAX

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YES

NO

Replace the 
PC board.

Shut off the power 
supply once.

Does the fan 

stop in no operating 

status?

Control PC board is defective.

Replace the PC board.

Start the operation 
with low fan setting 
in cool operation.

Does the fan rotate?

Change the setting of 
cooling to high fan.

Does the fan speed 

become higher?

Operation 
stops

Normal

Is the voltage 

measured DC35V 

  between  

1

  (red lead wire, +) 

  and  

2

  (black lead wire, –) 

of the motor connector 

(CN10) ?

Shut off the power supply.

Does the cross 

flow fan rotate 

normally?

Repair the 
bearing of 
the drain fan.

Turn on the power supply.

Is the rotation signal 

(DC+5V-0V) output between  

4

 

(blue lead wire) and  

2

  (black 

lead wire) of the motor connector 

(CN10) when rotating the cross 

flow fan by hand in no operating 

status ? (2 pulses/one turn)

Replace the control 
PC board.

Shut off the power supply,
and turn it on after 
disconnecting the motor 
connector (CN10)

* 

from 

the PC board.

Is the voltage of 

DC35V measured  

between 1 (red lead wire, +)

 and 2 (black lead wire, –) of 

the motor connector 

(CN10) ?

Replace the 
fan motor.

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

Turn the power supply.

*

Be sure to disconnect the motor connector CN10 after shut off the power supply, or it will be a cause of

damage of the motor.