Lennox Ducted Heating

Lennox Error Code E229

Ducted Heating

E229 means different things on different Ducted Heating models. Enter your model number to see only your reading, or find your model below.

What It Means

  • Ignition on high fire
  • EL280UHE(X), EL296UHE: Ignition on High Fire - Information Only.

Causes & actions from Lennox

Ignition on high fire

14 models

EL280UHEK, EL280UHEK(X), EL297UHEK, ML296UHVK, ML297UH045XV36BK, ML297UH070XV36BK, ML297UH090XV36CK, ML297UH090XV60CK, ML297UH110XV60CK, ML297UH135XV60DK, ML297UHVK, SL280DFNV, SL280UHV, SL297UHNV

Gas furnace (indoor)

How it shows
  • Integrated control 7-segment display: E229

IFC switched to high fire ignition because low fire pressure switch did not close in allowed time. No action is needed.

Other manual wording

SL280DFNV, SL280UHV, SL297UHNV

IFC switched to high fire ignition because low fire pres- sure switch did not close in allowed time. No action is needed.

Applicable models & manual sources

Ignition on High Fire - Information Only.

Models: EL280UHE(X), EL296UHE

How it shows
  • Integrated control 7-segment display: E229

Code is displayed if 1) low pressure switch fails to close, then furnace will switch to high speed inducer to close both low and high pressure switches, then furnace lights on high fire, or 2) if continuous fan is active, furnace lights on high fire for 60 seconds to improve heat exchanger warm up time.

Applicable models & manual sources
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.

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