Si12-308
Troubleshooting
Service Diagnosis
183
Troubleshooting
Check No.4
Refer to P.208
Check No.6
Refer to P.210
Check the wiring and piping.
Check No. 4
Check the electronic expansion
valve.
Activate the wiring error
check mode.
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 and then start the
wiring error check mode.
(R3059)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Wiring or piping out of spec?
YES
NO
NO
YES
NO
YES
NO
YES
YES
NO
Error again?
Motor functioning?
Thermistor as specified
in its characteristic
chart?
Thermistor as specified
in its characteristic
chart?
Change the gas to let moisture out
of the unit (after drawing a
vacuum).
Check No. 6
Check the outdoor unit heat
exchanger thermistor.
Check No. 6
Check the room temperature
thermistor.
Содержание Super Multi NX B series
Страница 7: ...Si12 308 vi Table of Contents ...
Страница 29: ...List of Functions Si12 308 18 List of Functions ...
Страница 71: ...Specifications Si12 308 60 Specifications ...
Страница 133: ...Instruction Si12 308 122 System Configuration CDK X 25 35 50 60 A Names of parts Indoor Unit 1 3 4 5 6 8 9 10 7 2 ...
Страница 175: ...Instruction Si12 308 164 System Configuration ...
Страница 227: ...Check Si12 308 216 Service Diagnosis ...
Страница 288: ...Si12 308 Wiring Diagrams Appendix 277 FTXD50BVMC FTXD60 71BVMC ...
Страница 299: ...Si12 308 iv Index ...