Specifications

Troubleshooting SiBE04-624
154 Service Diagnosis
Troubleshooting
Check No.18
Refer to P.210
Correct the connection.
Remove.
Replace the indoor fan
motor.
Replace the indoor unit
control PCB (A1P).
Replace the indoor unit
control PCB (A1P).
Replace the indoor unit
control PCB (A1P).
Replace the fan motor.
 Caution
If the connector is
disconnected while the
power ON, the motor will be
broken.
(Turn power off when
connecting the connector.)
(R6003)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Turn off the power supply
(Turn off the breaker).
Is it normal?
NO
NO
YES
YES
Foreign matters in or
around the fan?
YES
NO
Does it rotate smoothly?
NO
YES
Check the connector connection
(S1).
* Connect the connector
again for ensuring the
connection.
Operate the fan.
Turn off the power and turn
power ON again.
Is motor power
supply voltage generated?
(DC 230V or more)
NO
YES
Is motor control
power voltage DC 15V
generated?
NO
Is rotation
number command voltage
(DC 5V or more)
generated?
YES
Check No. 18
Check output of indoor unit
control PCB (A1P)