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Troubleshooting for Outdoor Unit
SiEN18-622
390
Troubleshooting
Troubleshooting
Check No.03
Refer to P.406
Correct power supply
Field factors
Is the
power supply voltage
200~240V ±10%?
Is the
P-N resistance not less than
several hundred of
ohms?
NO
NO
YES
YES
YES
Replace the inverter PC board
(A1P).
Monitor the voltage
(Instantaneous voltage drop)
YES
NO
When the compressor is running,
measure the voltage between
+ and - of electrolytic capacitor
(C+, C-).
Check No.03
Is the resistance
above standard
value?
Is the measured voltage
220 VDC or more?
(S2605)
Replace the fan motor
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...