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Lennox · Furnace

E205 Gas valve relay contact shorted

Critical severity EL296UHVLennox SL280UHVLennox SL297NV

What the control is telling you

The control's gas valve relay contacts are shorted.

Applies to: EL296UHV(X) series furnaces (integrated control 103130-XX and 107045-XX)

Likely causes

  • Wiring short at control or gas valve
  • Failed control relay

Test and repair steps

  1. Warning: Shut off gas if the valve is energized without a call for heat.
  2. Check wiring at the control and the gas valve for shorts.
  3. If wiring is correct, replace the integrated control.

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Source: Lennox EL296UHV(X) Unit Information / Service Literature, Table 5 Ignition Control 103130-XX Diagnostic Codes, p.34; Ignition Control 107045-XX Diagnostic Codes table, p.41. Summarized in our own words; check the original manual for your model.

Homeowner looking at this code? See what it means for you and when to call a technician.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.