Portal econet_969_O_M1

A969_O: Loss of Discharge Temperature Protection

EcoNet - A969_O ยป

Status

No operation when Alarm is Present. Operation will resume if Alarm clears.

Description

The heat-pump controller and/or drive is no longer able to sense a valid temperature on the discharge line.

Expected Operation

Critical Fault - No operation until corrected.

Cause

The heat pump controller or the compressor drive is no longer able to detect the temperature sensor on the discharge line.

Solution

  • Check and correct wiring and electrical connectors to drive and compressor.
  • Replace discharge temperature sensor.
  • Replace heat-pump control or drive as appropriate for system.