Condenser Temperature Sensor Open Circuit (Check Alarm)
- Sensor circuit resistance higher than 100,000 ohms.
- Temperature below -70 C (-94 F).
- Indicates
- Open circuit to sensor
- Defective or wrong sensor
- Defective relay board
- Defective cable no.1
- Defective controller
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- Check sensor resistance between pins 7 and 8 on plug J15. Resistance must be 2,000 ohms at 25 C (77 F).
- Check cable No. 1 between controller and relay board.
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