Mars Comfort-Aire Century VCD-SA Series Service Manual page 159

Service Manual - VCDxxSA
8.5 EEV Check
WARNING
Electricity remains in capacitors even when the power supply is off.
Ensure the capacitors are fully discharged before troubleshooting.
1. Disconnect the connector from outdoor PCB.
2. Measure the resistance value of each winding using a multi-meter.
3. Check the resistance value of each winding in the following table.
8.6 Fuse of Electric Auxiliary Heat Module Check(Optional)
1. Disassemble the fuse from electric auxiliary heat module.
2. Use the multimeter signal gear to check whether there is a signal, if not, fuse is broken.
Color of lead winding
Red- Blue
Red - Yellow
Brown-Orange
Brown-White
 Troubleshooting
Normal Value
About 50Ω
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