Si12-619A
Troubleshooting
Service Diagnosis
237
Troubleshooting
Connect properly.
(R5131)
Connection OK?
NO
YES
Connect properly.
Connection OK?
NO
YES
Replace the reactor.
10
Ω
or less?
NO
YES
Replace the compressor or
the compressor relay
harness
Check the operation again
and if the error appears
again, replace the outdoor
unit PCB
Between all each terminal
10
Ω
or less?
NO
YES
Turn off the power
Reactor check
Compressor check
Reactor connection
check
Compressor connection
check
Disconnect the reactor from the outdoor
unit PCB and measure the resistance
value between reactor terminals with
tester.
Disconnect the compressor relay harness
from the outdoor unit PCB and measure
the resistance value between the terminals
of the each 3 compressor with tester.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for 3MKS50DVM
Page 13: ...Introduction Si12 619A xii ...
Page 131: ...Control Specification Si12 619A 118 Function and Control ...
Page 213: ...Instruction Si12 619A 200 Operation Manual ...
Page 283: ...Check Si12 619A 270 Service Diagnosis ...
Page 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Page 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Page 399: ...Si12 619A vi Index ...