-99-
- Measure the voltage between the POWER and COMM pins of the connector as shown below.
Check to make sure compressor is receiving voltage from IPM
- In order to determine whether the compressor is operating normally,
check the output voltage during the refrigeration cycle.
- After initial power-up, when the compressor begins to operate, wait 10
minutes before checking.
- The compressor is operating normally if the voltage is greater than 80V.
IPM Output check
11-1 Check A
- There is PC Board located in the PCB case.
The control driver is PC board for the compressor.
- This step shows the source voltage of the driver PC board.
Push side to open PCBA Cover
(Remove both side hook)
If the Comp is normal,
the LED does not blink.
Check the LED blinking times
(Refer to the next chapter for LED blinking and actions.)
Step1. Open PCB Cover
Step2. Check Driver PCB
Remove 3 Screw
and cover hinge
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