![background image](http://html.mh-extra.com/html/daikin/2mks40fv1b/2mks40fv1b_service-manual_501074143.webp)
Troubleshooting
SiEN12-710A
132
Service Diagnosis
Troubleshooting
Check No.06
Refer to P.149
P4
: Radiation fin thermistor
J3
: Discharge pipe thermistor
J6
: Outdoor unit heat exchanger thermistor
J8
: Liquid pipe thermistor
J9
: Gas pipe thermistor
H9
: Outdoor temperature thermistor
(R7145)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
YES
YES
YES
NO
NO
NO
YES
Reconnect.
Reconnect.
Replace defective one(s) of
the following thermistors.
Radiation fin thermistor
Discharge pipe thermistor
Outdoor unit heat
exchanger thermistor
Liquid pipe thermistor
Gas pipe thermistor
Outdoor temperature
thermistor
Indoor unit heat
exchanger thermistor
Replace the following
thermistor.
Replace the outdoor unit
PCB.
(Replace the indoor unit
PCB.)
Normal?
Connector or thermistor
disconnected?
Error displayed again on
remote control?
Indoor unit
heat exchanger thermistor
functioning?
Check No. 06
Check the thermistor resistance
value.
Check No. 06
Check the indoor unit heat
exchanger thermistor resistance
value in the heating mode.
Turn on the power 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 ...