E
epatrickAug 13, 2025
What to do if the Bosch Worcester TDS 10 Controller display is blank and the solar heating system pump isn't running?
- SSheena OrtizAug 13, 2025
If the display is blank and the solar heating system pump isn't running, even when the storage tank temperature is lower than the solar panel temperature, the cause may be no power supply, a blown fuse, or a defective power lead. In this case, have a qualified electrician check the electrical system.