Front Panel Open/Close Fault - Daikin RX-W Series Service Manual

SiUS092230EA
5.5

Front Panel Open/Close Fault

C7
Error Code
Error Decision
If the error repeats, the system is shut down.
Conditions
Supposed
 Defective reduction motor
Causes  Malfunction or deterioration of the front panel mechanism
 Defective limit switch
Troubleshooting
Note
You cannot operate the unit by the remote controller when the front panel mechanism breaks down.
<To the dealers: temporary measure before repair>
1. Turn off the power.
2. Remove the front panel.
3. Turn on the power.
Operate the unit by the indoor unit ON/OFF switch.
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Restart and check the
movement.
Does the front
panel move?
YES
Does the front
panel open/close fully?
YES
Restart. Does the
error code reappear?
YES
(Wait until the initialization finishes.)
NO
Remove the front panel and
check the movement.
Does the front
panel mechanism
move?
YES
NO
NO
Troubleshooting for FTXR Series
NO
Replace the assembly of the
front panel mechanism.
Replace the harness and
reduction motor.
Replace the assembly of the
front panel mechanism.
Check the movement of the
right and left separately by
hand.
It is supposed such as
deformation of the panel or
stuffed dust.
Find out the cause.
Replace the limit switch.
(R17249)
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