How to troubleshoot a Bosch LV024 Heat Pump with no compressor operation but running fan, possibly due to blocked return air?
- JJohn WellsSep 7, 2025
If your Bosch Heat Pump's compressor isn't running but the fan is, it could be due to a condensate fault caused by blocked return air. Check the condensate pan for a high water level. Also, check the air filter and return air duct work for blockage, and ensure there is adequate space between the return air opening and any obstructions.