Daikin RXS12LVJU Service Manual

SiUS091133 Troubleshooting
Service Diagnosis 100
Troubleshooting
Check No.02
Refer to P.143
Turn off the power supply
and disconnect the fan
motor connector, then
turn the power on.
Check No.02
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.02
Check the output of the
fan motor connector
(R14970)
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 ~ 5 VDC
generated?
Is the rotation
pulse generated?
Stop the fan motor.

Daikin RXS12LVJU Specifications

General

Brand	Daikin
Model	RXS12LVJU
Category	Air Conditioner
Language	English