Compressor Overcurrent (Terminal Relay Operation)

¿Qué significa UA ?

The compressor has experienced an overcurrent condition, specifically detected via the terminal relay. This indicates an electrical overload or fault related to the compressor's power circuit or the relay itself.

• Compressor overcurrent detected.
• Operation of the terminal relay due to current.
• Excessive current draw from the compressor motor.

Haga clic en los pasos para seguir su progreso.

1. 1

   Measure compressor running current on all three phases using a clamp meter — compare to nameplate FLA.

2. 2

   Inspect the compressor terminal relay for signs of damage, overheating, or pitting on its contacts.

3. 3

   Check for loose connections at the compressor terminals and at the terminal relay itself.