SiBE121135
Troubleshooting for RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS, FDXS Series
Service Diagnosis
279
Troubleshooting
Check No.01
Refer to P.325
Check No.06
Refer to P.327
YES
YES
NO
NO
NO
NO
NO
(R14647)
YES
Caution
Replace the indoor electronic
expansion valve coil.
Replace the thermistor.
·Radiant panel thermistors
·Indoor heat exchanger
thermistor
·Room temperature thermistor
Provide sufficient air passage.
YES
Check No. 01
·Radiant panel thermistors
·Indoor heat exchanger thermistor
·Room temperature thermistor
Check the air passage.
Check the operation condition.
Check the air filter.
OK?
Does it
conform to the
thermistor characteristic
chart?
Is there any short
circuit?
YES
Clean the indoor heat
exchanger.
Is it very dirty?
YES
Clean the air filter.
Is it very dirty?
NO
Completed.
Error repeats?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check No. 06
Check the indoor electronic
expansion valve coil.
YES
NO
Start operation within the
specified range of the outdoor
temperature.
Condition OK?
Check the indoor heat exchanger.
Replace the indoor unit PCB.
Change the refrigerant to remove
moisture from the piping (after
drawing a vacuum).
YES
NO
Completed.
Replace the indoor heat
exchanger.
Error repeats?
∗
When the outdoor temperature is below the
lower limit for cooling operation (10˚C), the
freeze-up protection control is activated and the
cooling operation stops.
Содержание 3MXS40K2V1B
Страница 187: ...SiBE121135 RA Indoor Unit Operation Manual 175 2 1 17 Quick Reference FTXG25 35 50JV1BW A Quick Reference ...
Страница 188: ...RA Indoor Unit SiBE121135 176 Operation Manual FTXS20 25K2V1B CTXS15 35K2V1B Quick Reference ...
Страница 189: ...SiBE121135 RA Indoor Unit Operation Manual 177 FVXG25 35 50K2V1B Quick Reference ...
Страница 246: ...SA Indoor Unit SiBE121135 234 Operation Manual 2 Start 5s 5s 5s 5s 5s End ...
Страница 413: ...SiBE121135 Outdoor Unit 80 90 Class Removal Procedure 401 7 Remove the sound blanket inner Step Procedure Points R10439 ...