Lennox · PRODIGY 2.0 Unit Controller
The inverter has detected a high-level issue, such as peak DC current, maximum current lockout, low DC link voltage, locked rotor, or high DC link voltage. The compressor will stop temporarily.
Click steps to track your progress.
No immediate action is typically required; the compressor stops for a minimum run time.
If the unit shuts down after ten occurrences in one hour, Alarm 189 will be initiated.
The alarm will automatically clear when the inverter error condition is resolved.
Refer to the service manual's troubleshooting guide for detailed information.