LENNOX XP25 Heat Pump Inverter Board Failure
| CONF | DIAGNOSIS | ACTION |
|---|---|---|
|
92%
CONF
|
Inverter Control Board Kit
The inverter board is responsible for converting incoming AC power to a pulse-width modulated DC signal to drive the variable-speed compressor. Failure typically occurs at the IGBT bridge due to thermal fatigue or transient overvoltage that compromises the semiconductor's crystalline structure. Replacing the kit restores the power-switching electronics and the communication gateway between the thermostat and the outdoor unit.
|
|
|
8%
CONF
|
Secondary Circuit / Wiring Check
Inspect wiring harness.
|
DIY Repair Guide
Watch exactly how to replace the Inverter Control Board Kit.
// NOTICE:
This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.
PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.