Daikin FTXR-T Series Service Manual page 76

Troubleshooting
Troubleshooting
Note
Check the following connector.
Wall mounted type
72
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Combination of the
indoor and outdoor unit
matched?
YES
Check the connection of
connectors. (Refer to Note)
OK?
NO
Correct the connection.
Error repeats?
NO
Model Type
NO
∗ To secure the connection,
disconnect the connectors once
and then reconnect.
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 strip ~ Control PCB (H1, H2, H3)
SiUS041829E
Match the compatible
models.
NO
Correct the power
supply.
YES
Replace the indoor unit
PCB (control PCB).
Completed.
NO
Correct the power
supply.
YES
Replace the indoor unit
PCB (control PCB).
Completed.
Completed.
Part 6 Service Diagnosis
(R23407)