Front Panel Open / Close Fault - Daikin FTXG-J Service Manual

Troubleshooting
4.6

Front Panel Open / Close Fault

C7
Error Code
Method of Error
Detection
Error Decision
Conditions
Supposed
Causes
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.
4. Operate the unit by the indoor unit [ON/OFF] button.
74
If the error repeats, the system is shut down.
Defective reduction motor
Malfunction or deterioration of the front panel mechanism
Defective limit switch
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
Remove the front panel and
check the movement.
Does the front
panel open / close
fully?
YES
Restart.
Does the error code
reappear?
YES
(Wait until the initialization finishes.)
NO
Does the front
NO
panel mechanism
move?
YES
NO
NO
SiBE041012_B
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)
Service Diagnosis