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Lennox · Furnace

E202 Blower motor mismatch

High severity EL296UHVLennox SL280UHVLennox SL297NV

What the control is telling you

Indoor motor horsepower does not match the programmed unit capacity code.

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

Likely causes

  • Wrong unit capacity/size code programmed
  • Wrong replacement motor

Test and repair steps

  1. Check the unit size code against the configuration guide / installation instructions.
  2. Reprogram the unit size code (P mode) using the codes 0-7 for the EL296UH models listed in the Program Unit Capacity Size table.
  3. Remove the thermostat from the system while applying power and reprogramming.
  4. Code clears after the correct match is detected following a reset.

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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, Program Unit Capacity Size Mode p.109. 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.