Alert Code 346 — HP Jumper Not Removed

Was bedeutet 346 ?

This critical alert indicates that the heat pump configuration jumper has not been cut on the air handler control. This is typically seen when matching a non-communicating heat pump with a Lennox communicating indoor unit.

• Heat pump configuration jumper not cut on air handler control

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1. 1

   Ensure the O to R configuration link is cut on the air handler control.

2. 2

   The system should automatically clear this alert when it detects the issue is resolved.

3. 3

   If the issue persists, consult your installation manual or contact a qualified technician.