Model reference

Lennox EL296UH090XE48C

Furnace

1 document29 error codes2 service modes

Available documentation

Service Manual

EL296UHE SERIES UNITS Service Literature64 pg
Covers this model

MyPros+ Max

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M+

M+ Max·Lennox Furnace

E 110 on my Lennox EL296UH090XE48C

M+

Low line voltage detected (voltage

From Service Manual 711496, p.28:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (29)

CodeMeaning

E 110Low line voltage detected (voltage lower than nameplate rating).E 111Line voltage polarity reversed.E 112Ground not detected.E 113High line voltage detected (voltage higher than nameplate rating).E 114Line voltage frequency out-of-range (no 60 Hertz power).E 115Low 24V detected; control will restart if the error recovers.E 117Poor ground detected (warning only).E 125Control failed self-check, internal error, failed hardware (flame sense circuit…E 200Hard lockout E 204Gas valve mis-wired.E 205Gas valve control relay contact shorted.E 206Gas valve second-stage relay failure.E 207Hot surface ignitor sensed open.E 223Low pressure switch failed open.E 224Low pressure switch failed closed (stuck closed longer than 150 seconds).E 225High pressure switch failed open.E 226High pressure switch failed closed.E 227Low pressure switch open during trial for ignition or run mode.E 229Ignition on High Fire E 240Low flame current during run mode.E 241Flame sensed out of sequence E 250Limit switch circuit open.E 270Soft lockout E 271Soft lockout E 272Soft lockout E 273Soft lockout E 274Soft lockout E 275Soft lockout E 290Ignitor circuit fault

Service modes (2)

Diagnostic Recall ModePress and hold the diagnostic push button on the integrated control
Flame Signal 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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