Alert Code 344 — Furnace Relay Y1 Stuck

Was bedeutet 344 ?

This critical alert indicates a problem with the Y1 relay on the Integrated Furnace Control (IFC), suggesting a possible relay failure.

• Y1 relay failure on IFC

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1. 1

   The alert automatically clears five minutes after the Y1 input is sensed as OFF.

2. 2

   If the issue continues after the auto-clear period, the IFC may need to be replaced. Contact a qualified technician.