Portal econet_A819A_O_M1

A819_O: Inverter- DC Voltage Overvoltage Logic Fault

EcoNet - A819_O ยป

Status

No operation when Alarm is Present. Operation will resume if Alarm clears. After three strikes without 15 minutes of continuous operation, a permanent lockout (requiring power reset) will occur.

Description

The compressor drive has detected a fault with the DC bus voltage - the DC bus voltage is above tolerance.

Expected Operation

Critical Fault - No operation until corrected.

Cause

Compressor drive has detected high voltage on the DC bus.

Solution

  • Check and correct wiring and electrical connectors to drive and compressor.
  • Replace Compressor Drive.
  • Replace compressor.