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Troubleshooting
Si04-402A
94
Service Diagnosis
4.18
Sensor Abnormality around Compressor System
Remote
Controller
Display
H0
Method of
Malfunction
Detection
Detecting by the valve of direct current before the compressor starts up.
Malfunction
Decision
Conditions
When the value of direct current before the compressor starts up is not within 0.5~4.5V
(Sensor output is converted into voltage.)
When the value of direct voltage before the compressor starts up is under 50V.
Supposed
Causes
Faulty outdoor unit PCB
Broken harness or imperfect connection
Troubleshooting
Check the harness.
YES
Exchange the harness.
Replace the PCB.
Broken?
(R4001)
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Содержание FTXG25CVMAW
Страница 1: ...Inverter Pair Wall Mounted Type C Series Applied Models z z z zInverter Pair Heat Pump Si04 402A...
Страница 23: ...Printed Circuit Board Connector Wiring Diagram Si04 402A 14 Printed Circuit Board Connector Wiring Diagram...
Страница 167: ...Outdoor Unit Si04 402A 158 Removal Procedure When reassembling make sure to fit the hook Step Procedure Points...
Страница 181: ...Outdoor Unit Si04 402A 172 Removal Procedure...
Страница 185: ...Others Si04 402A 176 Others...
Страница 189: ...Wiring Diagrams Si04 402A 180 Appendix...