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Ricardo BrownAug 25, 2025
What to do if my Bosch Heat Pump compressor isn't running and the fan is on, but I suspect low refrigerant?
- KKatherine HarperAug 26, 2025
If your Bosch Heat Pump's compressor isn't running but the fan is, it could be due to a low-pressure fault caused by low refrigerant. Check the refrigerant pressure with a gauge set.



