Signal Transmission Error (Between Indoor Unit And Wired Remote Controller ) - Daikin FTXG25CVMAW Service Manual

Troubleshooting
4.8 Signal Transmission Error (between Indoor Unit and
Wired Remote Controller )
U5
Remote
Controller
Display
Method of The data received from the indoor unit in indoor unit-wired remote controller signal transmission
is checked whether it is normal.
Malfunction
Detection
Malfunction When the data sent from the indoor unit cannot be received normally, or when the content of the
data is abnormal.
Decision
Conditions
Supposed
Causes
Troubleshooting
82
Faulty remote controller cable
Faulty remote controller
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check the indoor unit-remote
controller connection wires.
Is it normal?
YES
NO
Si04-402A
Replace the remote controller
cable.
Replace the remote controller
or the indoor PCB.
Service Diagnosis
(R3314)