Model reference
Lennox XP15-048
Heat Pump
1 document9 error codes2 service modes
Available documentation
Service Manual
- XP15 Series Service Literature21 pg
MyPros+ Max
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- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Service modes (2)
- Defrost Board Test Mode["Ensure Y input is active (ON) and O line is inactive.","Ensure 24V power is being applied to the…
- LSOM Installation Verification Test["Test 1 (Trip LED)
Full entry steps, exit procedures, and test sequences are available in Max.
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