Lennox EL280UHEK Error Codes
Gas furnace · Ducted Heating
Model numbers in this family: EL280UHEK, EL280UHEK(X)
- . Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- A Continupois Fan Mode Only
- C Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting…
- E000 No error in memory
- E110 Low line voltage.
- E111 Low line voltage.
- E112 Ground not detected.
- E113 High line voltage.
- E114 Line voltage frequency out-of-range.
- E115 Low 24V - Control will restart if the error recovers.
- E117 Poor ground detected (Warning only).
- E125 Control failed self-check, internal error, failed hardware. Will restart if error…
- E131 Corrupted control parameters (Verify configuration of system). Communicating only.
- E150 A2L Refrigerant leak alarm
- E151 Refrigerant Leak Detector Sensor #1 fault
- E152 Refrigerant Leak Detector #2 Fault
- E154 Refrigerant Leak Detector #1 Communication lost or invalid sensor dip switch…
- E155 Refrigerant Leak Detector #2 Communication lost
- E160 Refrigerant Leak Detector Sensor #1 type incorrect
- E161 Refrigerant Leak Detector Sensor #2 type incorrect
- E163 Furnace Control Board Failure
- E164 Low GWP Test
- E200 Hard lockout - Rollout circuit open or previously open.
- E204 Gas valve mis-wired.
- E205 Gas valve control relay contact shorted.
- E207 Hot surface ignitor sensed open.
- E223 Low pressure switch failed open.
- E224 Low pressure switch failed closed.
- E225 High pressure switch failed open.
- E226 High pressure switch failed closed
- E227 Pressure switch open during trial for ignition or run mode.
- E228 Combustion air inducer calibration failure
- E229 Ignition on high fire
- E240 Low flame current - Run mode.
- E241 Flame sensed out of sequence - Flame still present.
- E250 Limit switch circuit open.
- E270 Soft lockout - Exceeded maximum number of retries. No flame current sensed.
- E271 Soft lockout - Exceeded maximum number of retries. Last retry failed due to the pressure…
- E272 Soft lockout - Exceeded maximum number of recycles. Last recycle due to the pressure…
- E273 Soft lockout - Exceeded maximum number of recycles. Last recycle due to flame failure.
- E274 Soft lockout - Exceeded maximum number of recycles. Last recycle failed due to the limit…
- E275 Soft lockout - Flame sensed out of sequence. Flame signal is gone.
- E290 Ignitor circuit fault - Failed ignitor or triggering circuitry.
- E390 Low GWP Relay Stuck
- H Gas Heat Stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting…
- U Discharge Air Temperature
- d Dehumidification mode (1 second ON) / 1 second OFF) / cfm setting displayed / Pause /…
- dF Defrost mode.
- h Heat pump stage (1 second ON, 0.5 second OFF) / % of input rate displayed / Pause / cfm…
Reference only. Confirm against the manual for your exact model. Data release 105f66ecb9e96e5dc473025d.