Lennox · EL18KSLV Series Outdoor Units
Loss of synchronization between the compressor windings (U, V, W) occurred during speed changes. This can be caused by unstable power, internal compressor faults, or wiring issues.
Haga clic en los pasos para seguir su progreso.
Check the stability of the power supply.
Inspect compressor terminal wiring for tightness and correctness.
Check the IPM for faults.
If the problem persists, the compressor or IPM may need replacement.