Daikin FTX25JVEA9 Service Manual page 251

Troubleshooting - Split Type Indoor Unit
1.5.6 Faulty Indoor Unit PCB
∗
Remote
Controller
Display
Indoor Unit LED A
Display
Note: No LED Display on FTK(X)25/35J Series.
Method of The condition of the transmission circuit for indoor-outdoor signal transmission is detected.
Malfunction
Detection
Malfunction When the transmission circuit remains ON.
Decision
Conditions
"
Supposed
Causes
Troubleshooting Replace the indoor unit PCB.
238
5 B 4
Faulty indoor unit PCB
Si18-201
Service Diagnosis