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SiEN04-306D
Troubleshooting
Service Diagnosis
119
Troubleshooting
Check No.7
Refer to P.142
Check No.8
Refer to P.143
Check No.14
Refer to P.146
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.
Summary of Contents for ARXS50C2VMB
Page 109: ...Instruction SiEN04 306D 100 System Configuration ...
Page 199: ...Outdoor Unit SiEN04 306D 190 Removal Procedure ...
Page 203: ...Others SiEN04 306D 194 Others ...
Page 214: ...SiEN04 306D Wiring Diagrams Appendix 205 FTKD18 24 28BVMS ...
Page 216: ...SiEN04 306D Wiring Diagrams Appendix 207 RKD18 24 28BVMS ...