Troubleshooting
SiENBE04-507A
130
Service Diagnosis
4.16 Compressor System Sensor Abnormality
Remote
Controller
Display
HO
Method of
Malfunction
Detection
The system checks the DC current before the compressor starts.
Malfunction
Decision
Conditions
If the DC current before compressor start-up is out of the range 0.5-4.5 V (sensor output
converted to voltage value) or if the DC voltage before compressor start-up is below 50 V.
Supposed
Causes
PCB defective
Broken or poorly connected harness
Troubleshooting
Check the harness S30.
Replace the harness.
No problem. Keep on
running.
Replace the PCB (2).
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the harness broken?
Get restarted and error
displayed again?
Turn off the power and turn it
on again.
(R4564)
YES
YES
NO
NO
Caution
Содержание FTKS20DVMW(L)
Страница 10: ...SiENBE04 507A List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Страница 16: ...SiENBE04 507A Specifications 7 Part 2 Specifications 1 Specifications 8 1 1 Cooling Only 8 1 2 Heat Pump 21...
Страница 53: ...Printed Circuit Board Connector Wiring Diagram SiENBE04 507A 44 Printed Circuit Board Connector Wiring Diagram...
Страница 85: ...Control Specification SiENBE04 507A 76 Function and Control...
Страница 159: ...Check SiENBE04 507A 150 Service Diagnosis...
Страница 198: ...SiENBE04 507A Outdoor Unit Removal Procedure 189 When reassembling make sure to fit the hook Step Procedure Points Hook...
Страница 212: ...SiENBE04 507A Others 203 Part 8 Others 1 Others 204 1 1 Test Run from the Remote Controller 204 1 2 Jumper Settings 205...
Страница 215: ...Others SiENBE04 507A 206 Others...
Страница 221: ...Wiring Diagrams SiENBE04 507A 212 Appendix...
Страница 225: ...SiENBE04 507A iv Index...