Specifications

Troubleshooting SiBE04-624_B
94 Service Diagnosis
2.13 Front Panel Open / Close Abnormality
Error Code
C7
Method of Error
Detection
Error Decision
Conditions
If the error repeats, the system is shut down.
Supposed
Causes
Defective reduction motor
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.
(Wait until the initialization finishes.)
4. Operate the unit with the indoor unit [ON/OFF] button.
YES
YES
YES
YES
NO
NO
NO
NO
Replace the assembly of the
front panel mechanism.
Replace the assembly of the
front panel mechanism.
+Check the movement of the
right and left separately by
hand.
Replace the harness and
reduction motor.
The cause may be an external
factor such as deformation of
the panel or stuffed dust.
Find out the cause.
Replace the limit switch.
(R18123)
Caution
Does the front
panel move?
Does the
assembly of the reduction
motor move?
Does the front
panel open / close
fully?
Restart.
Does the error code
reappear?
Restart and check the
movement.
Remove the front panel and
check the movement.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.