Daikin FTXS30HVJU - Page 84

SiUS04-924 Troubleshooting
Service Diagnosis 77
Troubleshooting
Check No.01
Refer to P.106
Turn off the power supply
and disconnect the fan
motor connector, then
Turn off the power supply
and disconnect the fan
motor connector, then
turn the power ON again.
Check No.01
Check the output of the
fan motor connector
Check No.01
Check the output of the
fan motor connector
Check No.01
Check the output of the
fan motor connector
Check No.01
Check the output of the
fan motor connector
(R9322)
YES
YES
NO
YES
YES
NO
YES
NO
NO
YES
NO
YES
NO
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
the connector, or parts damage may occur.
Replace the fan
motor.
Replace the indoor
unit PCB (1).
Replace the indoor
unit PCB (1).
Note : The motor
may break
when the
motor
connector is
disconnected
while
remaining
powered.
Replace the fan
motor.
Replace the indoor
unit PCB (1).
Replace the indoor
unit PCB (1).
Replace the fan
motor.
Replace the
fan
motor and indoor
PCB (1).
Does the fan
rotate smoothly?
Does it rotate?
Is the rotation
number command pulse
generated?
Is the motor
power voltage DC 200V
generated?
Is the motor
control power voltage
DC 15V generated?
Is the
rotation number
command voltage DC 1~6V
generated?
Is the
rotation number
command pulse
generated?
Turn off the power supply
and rotate the fan by hand.
Turn the power ON and
operate the fan.
Stop the fan motor.