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Troubleshooting
SiEN12-710A
118
Service Diagnosis
Troubleshooting
Check No.04
Refer to P.146
Check No.06
Refer to P.149
(R7136)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
YES
NO
NO
YES
NO
YES
NO
YES
YES
NO
Check the wiring and piping
Check No. 04
Check the electronic expansion valve.
Check No. 06
Check the outdoor unit heat
exchanger thermistor.
Check No. 06
Check the room temperature
thermistor.
Thermistor as
specified in its characteristic
chart?
Change the gas to let moisture out
of the unit (after drawing a vacuum).
Thermistor as
specified in its characteristic
chart?
Correct the wiring or piping
error.
Replace the defective EV or
coil.
Replace the heat exchanger
thermistor.
Replace the room
temperature thermistor.
Replace the room
temperature thermistor or
indoor unit heat exchanger
thermistor.
Do the vacuum-drying.
Replace the indoor unit PCB.
Wiring or piping out of spec?
Normal?
Error again?
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 ...