Si04-402A
Troubleshooting
Service Diagnosis
83
4.9
Unspecified Voltage (between Indoor and Outdoor Unit)
Remote
Controller
Display
UA
Method of
Malfunction
Detection
The supply power is detected for its requirements (different from separate type and multi type)
by the indoor / outdoor transmission signal.
Malfunction
Decision
Conditions
The separate type and multi type are interconnected.
Supposed
Causes
Wrong models interconnected
Wrong indoor unit PCB mounted
Indoor unit PCB defective
Wrong outdoor unit PCB mounted or defective
Troubleshooting
Check the indoor and outdoor unit
model names.
Match the compatible
models.
Replace the indoor unit
PCB (or the outdoor unit
PCB).
(R3315)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Indoor unit and outdoor unit
matched?
NO
YES
Summary of Contents for FTXG25CVMAW
Page 181: ...Outdoor Unit Si04 402A 172 Removal Procedure...
Page 185: ...Others Si04 402A 176 Others...