Daikin Super Multi NX FTXS20G2V1B, Руководство по обслуживанию

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SiENBE04-808_A Troubleshooting
Service Diagnosis 108
Troubleshooting
Check No.01
Refer to P.146
Turn off the power supply
and disconnect the fan
motor connector, then
turn the power on.
Check No.01
Check the output of the
fan motor connector
YES
YES
NO
YES
YES
NO
NO
NO
Note : The motor may break when the
motor connector is disconnected
while remaining power supply.
(Turn off the power supply before
connecting the connector also.)
Caution
Replace the indoor
fan motor.
Replace the indoor
unit PCB.
Replace the indoor
unit PCB.
Does the fan
rotate smoothly?
Does the
fan rotate?
Is the motor
power supply
voltage 310 ~ 340 VDC
generated?
Is the
motor control
voltage 15 VDC
generated?
Turn off the power supply
and rotate the fan by hand.
Turn the power on and
start operation.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check No.01
Check the output of the
fan motor connector
(R12033)
NO
YES
YES
NO
YES
NO
Replace the indoor
fan motor.
Replace the indoor
unit PCB.
Replace the indoor
unit PCB.
Replace the indoor
fan motor.
Replace the indoor
fan motor and the
indoor unit PCB.
Is the rotation
pulse generated?
Is
the rotation
command
voltage 1 ~ 6 VDC
generated?
Is the rotation
pulse generated?
Stop the fan motor.
SiENBE04-808_A.pdf 120 21/02/2011 13:20:02