CodeRegistry
Marcas
  1. Inicio
  2. Lennox
  3. Communicating Systems
  4. 351
About·Privacy·Terms

CodeRegistry — Tu biblioteca global de soluciones técnicas.

Por su seguridad, siga siempre los manuales oficiales del fabricante. CodeRegistry es un sitio independiente y no está afiliado a las marcas citadas.

351

Alert 351 — Electric Heat Stage 1 Problem

Lennox · Communicating Systems

¿Qué significa 351 ?

There is an issue with the first stage of the air handler's electric heat. This could mean the pilot relay contacts did not close or the relay coil in the electric heat section did not energize.

Causas comunes

  • Possible heat section or stage 1 failure.
  • Pilot relay contacts did not close.
  • Relay coil in the electric heat section did not energize.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    The air handler will operate on the heat pump's first stage for the remainder of the heat call.

  2. 2

    Check for issues with the electric heat section or stage 1.

  3. 3

    Verify that the pilot relay contacts are closing and the relay coil is energizing.

Ver todos los códigos en este manual (41)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

14Inverter Flash Code 14 (Red 1 flash, Green 4 flashes) — OD Inverter Compressor Slowdown21Inverter Flash Code 21 (Red 2 flashes, Green 1 flash) — OD Inverter DC Peak Fault262 red flashes, 6 green flashes — Compressor startup fail
Fuente: Lennox Communicating Systems
Open Manual (Page 47)Buscar más códigos en este manual