Part - Daikin SUPER MULTI NX CTXS07JVJU Service Manual

Troubleshooting for Indoor Unit
Troubleshooting
Note: Check the following connector.
CTXS/FTXS series
CDXS/FDXS series
147
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Check the combination of the
indoor and outdoor unit.
OK?
YES
Check the connection of
connectors (See Note.).
OK?
NO
Correct the connection.
Error repeats?
NO
Model Type
NO
∗ To secure the connection,
once disconnect the connector
and then reconnect it.
YES
Check the power supply
voltage.
Voltage as rated?
YES
Start operation.
Error repeats?
NO
YES
Check the power supply
voltage.
Voltage as rated?
YES
Start operation.
Error repeats?
NO
Connector
Terminal board ~ Control PCB
Terminal board ~ Control PCB
SiUS12-928_B
Match the compatible
models.
NO
Correct the power
supply.
YES
Replace the indoor unit
PCB (1).
Completed.
NO
Correct the power
supply.
YES
Replace the indoor unit
PCB (1).
Completed.
Completed.
Service Diagnosis
(R15270)