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Si04-306
Troubleshooting
Service Diagnosis
105
Troubleshooting
Check No.7
Refer to P.129
Check No.8
Refer to P.130
Check No.14
Refer to P.133
Replace the outdoor unit
PCB.
Replace the electrolytic
capacitor.
∗
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
(R2844)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Input current flowing
above its stop level?
NO
YES
Normal?
NO
YES
Any LED off?
YES
NO
Check with the inverter checker (
∗
).
Turn off the power, and reconnect
the harnesses. Turn on the power
again and get restarted.
Turn off the power and disconnect
the harnesses U, V and W.
Get restarted and measure the
input current.
Check No. 8
Check the discharge pressure.
Check No. 7
Check the installation condition.
Check No. 14
Check the main circuit electrolytic
capacitor.
∗
An input over-current may result from wrong internal wiring. If the wires have been disconnected and
reconnected for part replacement, for example, and the system is interrupted by an input over-current,
take the following procedure.
Содержание FTKS50BVMA
Страница 17: ...List of Functions Si04 306 8 List of Functions...
Страница 35: ...Specifications Si04 306 26 Specifications...
Страница 143: ...Check Si04 306 134 Service Diagnosis...
Страница 187: ...Outdoor Unit Si04 306 178 Removal Procedure...
Страница 191: ...Others Si04 306 182 Others...
Страница 201: ...Wiring Diagrams Si04 306 192 Appendix FTKD 18 24 28 BVMS...
Страница 203: ...Wiring Diagrams Si04 306 194 Appendix RKD 18 24 28 BVMS...