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- 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
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