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Troubleshooting
SiEN12-710A
120
Service Diagnosis
4.9 Compressor Lock
Remote Control
Display
E6
Method of
Malfunction
Detection
Judging from current waveform generated when high-frequency voltage is applied to the
compressor.
Malfunction
Decision
Conditions
"
The system will be shut down if the error occurs 16 times.
"
Clearing condition: Continuous run for about 11 minutes (normal)
Supposed
Causes
"
Compressor locked
"
Disconnection of compressor harness
Troubleshooting
Note:
If the model does not have SPM, replace the outdoor unit PCB.
(R7138)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
YES
YES
NO
NO
YES
∗
Inverter checker
Part No.: 1225477
(Precaution before turning on the power again)
Make sure the power has been off for at least 30 seconds.
Replace the compressor.
Normal?
Emergency
stop without compressor
running?
System shut
down after errors repeated
several times?
Turn off the power. Disconnect the
harnesses U, V and W.
Turn off the power and reconnect
the harnesses. Turn on the power
again and get the system restarted.
Check the electronic
expansion valve.
Replace it as required.
Check with the inverter checker (
∗
).
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the compressor.
Summary of Contents for 2MKS40FV1B
Page 11: ...Introduction SiEN12 710A x ...
Page 12: ...SiEN12 710A List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Page 17: ...Heat Pump SiEN12 710A 6 List of Functions ...
Page 25: ...Heat Pump SiEN12 710A 14 Specifications ...
Page 111: ...Instruction SiEN12 710A 100 Operation Manual ...
Page 199: ...Wiring Diagrams SiEN12 710A 188 Appendix ...
Page 203: ...SiEN12 710A iv Index ...