Front Panel Open / Close Fault (Ftxg Series Only) - Daikin 3MKS50E3V1B Service Manual

SiBE121135
5.6

Front Panel Open / Close Fault (FTXG Series Only)

C7
Remote
Controller
Display
Method of
Malfunction
Detection
Malfunction
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.
Service Diagnosis
Troubleshooting for RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series
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
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)
281