Troubleshooting
SiBE04-302
106
Service Diagnosis
Troubleshooting
Check No.12
Refer to P.126
Note:
If the model doesn’t have SPM, replace the outdoor unit PCB.
Turn off the power and turn it on
again.
Check No. 12
Check the capacitor voltage.
Replace the outdoor unit
PCB.
* Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the outdoor unit
PCB.
Replace the compressor.
Replace the outdoor unit
PCB.
Check the supply voltage.
(R3042)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
∗
Running current
as shown at right with relay
cable 1 or 2?
YES
Current
(guideline)
2 sec
Time
Rising with increasing
frequency
Capacitor charged when
the indoor unit or outdoor
unit main relay turns on
NO
NO
DC290~380V?
YES
Voltage within
the allowable range (Supply
voltage±15%)?
YES
NO
Any LED off?
Compressor running?
YES
NO
YES
NO
Get the system started.
Measure the rectifier input voltage.
Turn off the power. Disconnect the
harnesses U, V and W.
Check with the inverter checker (
∗
).
Turn off the power and reconnect
the above harnesses. Then turn on
the power again and get the
system restarted.
Summary of Contents for ARK25BVMB
Page 17: ...Functions SiBE04 302 8 List of Function ...
Page 31: ...Specifications SiBE04 302 22 Specifications ...
Page 137: ...Check SiBE04 302 128 Service Diagnosis ...
Page 172: ...SiBE04 302 Outdoor Unit Removal Procedure 163 4 Remove the fan motor Step Procedure Points ...
Page 184: ...SiBE04 302 Others 175 Part 8 Others 1 Others 176 1 1 Explanation 176 1 2 Jumper Settings 177 ...
Page 195: ...Wiring Diagrams SiBE04 302 186 Appendix ...
Page 199: ...SiBE04 302 iv Index ...