M
maryhillAug 20, 2025
How to fix HLSC excess temp on Wolf COB-20 Boiler?
- SStephanie BradleyAug 20, 2025
If the Wolf Boiler's flow temperature exceeds 110 °C, it triggers the HLSC excess temperature error. To resolve this, you should test the heating circuit pump, vent the system, press the reset button, and clean the heat exchanger.