Model reference
Lennox SLP98DF090XV36C
Furnace
1 document13 error codes5 service modes
Available documentation
Service Manual
- SLP98DFV SERIES UNITS Service Literature70 pg
MyPros+ Max
Diagnose your Lennox SLP98DF090XV36C.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
Start diagnosing
$29/month · Cancel anytime · Or $9.95 3-day pass
Error codes (13)
CodeMeaning
E203Appliance capacity/size is NOT programmed; invalid unit codes.E204High line voltage (voltage higher than nameplate rating).E207Hot surface ignitor sensed open.E210Unresponsive device.E223Low pressure switch failed open.E225Gas valve control relay contact shorted.E227High pressure switch failed open.E228Unable to perform successful pressure switch calibration.E240Low flame current during run mode.E241Flame sensed out of sequenceE250Limit switch circuit open.E272Combustion air inducer motor amp draw is too high.E275Heat rate reduced to match indoor blower air flow; replace filter or repair…Service modes (5)
- Error Code RecallPress and hold the diagnostic push button on the integrated control
- Field Test ModePress and hold the diagnostic push button on the integrated control
- Motor Test ModeSet DIP switches 10 and 11 both to ON position on the integrated control.
- Pressure Switch Calibration (in Field Test Mode)While in Field Test Mode (blinking dash on LED), press and hold the diagnostic push button until a…
- Unit Size Code Programming1
Full entry steps, exit procedures, and test sequences are available in Max.
Related Lennox furnace models
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass