Check
SiBE121135
330
Service Diagnosis
8.7
Four Way Valve Performance Check
Check No.13
8.8
Inverter Unit Refrigerant System Check
Check No.14
(R11903)
NO
YES
YES
NO
Turn off the power and turn it on
again.
Start heating operation.
∗
Four way valve coil
Cooling / Dry : No continuity
Heating : Continuity
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
Disconnect the four way valve coil
from the connector and check the
continuity.
S80 voltage at 220 - 240
VAC with compressor
on? (Fig. 1)
Four way valve
coil resistance at
1000 ~ 2000
Ω
?
(R11904)
(Fig. 1)
Voltage at S80
220 - 240 VAC
Time
Compressor
ON
Refrigerant system check
Is the discharge pipe
thermistor disconnected from
the holder?
Check for refrigerant leakage.
See the section on refrigerant
shortage detection.
(R15833)
YES
NO
Reconnect the thermistor.
Replace the refrigerant.
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 ...