Model reference
Lennox EL296DF045XV36B
Furnace
1 document66 error codes3 service modes
Available documentation
Service Manual
- Service Literature EL296DFV(X) icomfort-Enabled Series Units75 pg
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Error codes (66)
CodeMeaning
E105Device communication problemE110Low line voltage (voltage lower than nameplate rating).E111Line voltage polarity reversed.E112Ground not detected; system shuts down.E113High line voltage (voltage higher than nameplate rating).E114Line voltage frequency out-of-range (no 60 Hertz power).E115Low 24VE116High 24V (range is 18 to 30 volts).E117Poor ground detected (warning only).E120Unresponsive device (communication only), usually caused by delay in outdoor…E124Active communicating thermostat signal missing for more than 3 minutes.E125Control failed self-check, internal error, failed hardware (flame sense circuit…E126Control internal communication problem.E131Corrupted control parameters (communicating only).E180Outdoor air temperature sensor failure (shorted or out-of-range).E200Hard lockoutE201Indoor blower communication failureE202Indoor blower motor mis-matchE203Appliance capacity/size is NOT programmed; invalid unit codes.E204Gas valve mis-wired.E205Gas valve control relay contact shorted.E206Gas valve second-stage relay failure.E207Hot surface ignitor sensed open.E223Low pressure switch failed open.E224Low pressure switch failed closed.E225High pressure switch failed open.E226High pressure switch failed closed.E227Low pressure switch open during trial for ignition or run mode.E228Combustion air inducer calibration failure.E229Ignition on High FireView all 66 error codes
E240Low flame current during run mode.E241Flame sensed out of sequenceE250Limit switch circuit open.E252Discharge air temperature too high (gas heat only).E270Soft lockoutE271Soft lockoutE272Soft lockoutE273Soft lockoutE274Soft lockoutE275Soft lockoutE276Watchguard calibration failure.E290Ignitor circuit faultE291Heat air flow restricted below the minimum.E292Indoor blower motor unable to start due to obstructed wheel or seized bearings.E294Combustion air inducer over current.E295Indoor blower motor temperature is too high (motor tripped on internal…E310Discharge air temperature sensor failure (shorted or out of range).E311Heat rate reduced to match indoor blower air flow (furnace blower in cutback…E312Restricted air flow in cooling or continuous fan mode is lower than cfm setting…E313Indoor or outdoor unit capacity mismatch (communication only).E331Global network connectionE334Relay Y1 stuck on integrated control.E347No 24 Volt output on Y1 of integrated control with non-communicating outdoor…E348No 24 Volt output on Y2 of integrated control with non-communicating outdoor…E349No 24 Volts between R & O on integrated control with non-communicating outdoor…E370Interlock switch sensed open for 2 minutes.E400LSOME401LSOME402LSOME403LSOME404LSOME405LSOME406LSOME407LSOME408LSOME409LSOM
Service modes (3)
- Error Code RecallPress and hold the diagnostic push button on the integrated control adjacent to the 7-segment LED
- Flame Signal ModePress and hold the diagnostic push button on the integrated control
- Program Unit Capacity/Size ModePress and hold the diagnostic push button on the integrated control
Full entry steps, exit procedures, and test sequences are available in Max.
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