SiME341909EA
Symptom-based Troubleshooting
Part 6 Service Diagnosis
141
2.2 For All Outdoor Units
Problem
Measure
Decrease of main circuit power supply insulation
resistance (Less than 1 M
Ω
)
Define the measure using the flowchart below.
1 M
Ω
or more?
YES
YES
NO
NO
Decrease of main circuit power supply
insulation resistance
Cut the power supply.
Cut the power supply.
Defective local power supply
Normal
Remove the compressor wiring from the
power supply terminal. Isolate the wiring
and be careful not to touch the live parts.
Turn the power supply on and leave it on
for 6 hours (keep the compressor wiring
disconnected).
Connect the compressor wiring to the
terminal, or to the noise filter PCB and
measure the insulation resistance.
1 M
Ω
or more?
Measure the insulation resistance of the
main circuit power supply.
Check the local power supply.
Compressor abnormality
Replace the compressor.
Summary of Contents for VRV X RXQ10ARYFK
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ6 48A N R Series SiME341909EA...
Page 289: ...SiME341909EA Wiring Diagrams Part 7 Appendix 283 RXQ10 12ARYFK 2D124184...
Page 290: ...Wiring Diagrams SiME341909EA 284 Part 7 Appendix RXQ14 16ARYFK 2D124183...
Page 295: ...SiME341909EA Wiring Diagrams Part 7 Appendix 289 FXMQ40 50 63 80 100ARV1 3D127112 04 59...
