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Troubleshooting
SiEN12-710A
130
Service Diagnosis
4.16 DC Voltage / DC Current Sensor Abnormality
Remote Control
Display
H8
Method of
Malfunction
Detection
DC voltage or DC current sensor system fault is identified based on the compressor operation
frequency and the input current detected by the product of DC current and DC voltage.
Malfunction
Decision
Conditions
When the compressor operation frequency is more than 52 Hz
and when the DC current is less than 0.3 A or DC voltage is less than 50V.
"
If this error repeats 4 times, the system will be shut down.
"
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Supposed
Causes
"
Power transistor defective
"
Internal wiring broken or in poor contact
"
Reactor defective
"
Outdoor unit PCB defective
"
Refrigerant shortage
Troubleshooting
Replace the outdoor unit PCB.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Содержание 2MKS40FV1B
Страница 11: ...Introduction SiEN12 710A x ...
Страница 12: ...SiEN12 710A List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Страница 17: ...Heat Pump SiEN12 710A 6 List of Functions ...
Страница 25: ...Heat Pump SiEN12 710A 14 Specifications ...
Страница 33: ...Printed Circuit Board Connector Wiring Diagram SiEN12 710A 22 Printed Circuit Board Connector Wiring Diagram ...
Страница 75: ...Instruction SiEN12 710A 64 Operation Manual 2 3 Names of Parts FTKS 25 35 D FTXS 25 35 E Indoor unit ...
Страница 111: ...Instruction SiEN12 710A 100 Operation Manual ...
Страница 199: ...Wiring Diagrams SiEN12 710A 188 Appendix ...
Страница 203: ...SiEN12 710A iv Index ...