Troubleshooting With Led; Indoor Unit - Daikin CTXS07LVJU Service Manual

Troubleshooting with LED

2. Troubleshooting with LED

2.1

Indoor Unit

Operation Lamp The operation lamp blinks when any of the following errors is detected.
1. When a protection device of the indoor or outdoor unit is activated, or when the thermistor
2. When a signal transmission error occurs between the indoor and outdoor units.
In either case, conduct the diagnostic procedure described in the following pages.
CTXS/FTXS series
FVXS series
BRC1E71/72/73
BRC7E830
In case of wireless remote controller, a signal receiver PCB and a display PCB are installed on
indoor unit. When the error occurs, the operation lamp on the display PCB blinks.
98
malfunctions.
The error or warning message also blinks on the basic screen.
CDXS/FDXS series
Operation lamp
(green)
(R13534)
Operation lamp (green)
SiUS121602E
Operation lamp
(green)
(R16589)
(R21930)
Operation lamp (green)
(R18816)
Service Diagnosis