Lennox · PRODIGY 2.0 Unit Controller
There is a voltage mismatch between the inverter and the system. Compressor operation will be disabled.
Click steps to track your progress.
1. Power Cycle: Turn the unit's main power switch OFF, wait 60 seconds, then turn it back ON. This can reset minor glitches.
2. Check Breaker: Locate your home's electrical panel and ensure the breaker for your Lennox unit is not tripped. If it is, flip it completely OFF, then back ON.
3. Check Controller Display: Look for any additional messages or specific fault codes displayed on your PRODIGY 2.0 controller. Note them down if present.
4. Call a Professional: If the alarm persists after these steps, or if you notice any unusual smells, sounds, or visible damage, contact a qualified Lennox service technician. This issue often requires specialized tools and expertise to diagnose and fix safely.