How to fix HLSC excess temp on Wolf COB-20 Boiler?
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.
What to do if Wolf Boiler shows flue gas sensor, excess temperature?
If the flue gas temperature on your Wolf Boiler has exceeded 120 °C, triggering the flue gas sensor, excess temperature error, you should clean the heat exchanger. Also, verify that all displacement devices are installed, check the flow through the boiler, ensure the flow and return are properly connected, and then press the reset button.
What to do if Wolf COB-20 Boiler displays temperature limiter - excess temperature?
If the flow in your Wolf Boiler exceeds the temperature limiter's limit of 100 °C, triggering the temperature limiter excess temperature error, you should vent the system and check the heating circuit pump.
Why Wolf Boiler has none flame established?
If your Wolf Boiler fails to establish a flame, it could be due to several reasons: a contaminated inspection window for the flame monitor/mixer head, a faulty flame monitor, air in the oil line, excessive negative or overpressure at the oil pump, or a contaminated boiler. Suggested solutions include: checking the oil line and fuel level, inspecting the ignition electrode and transformer, pressing reset, cleaning the inspection window, checking the flame monitor and lead, ensuring proper condensate drainage, or arranging for professional service.
What to do if Wolf Boiler has flame failure during operation?
If the Wolf Boiler experiences flame failure during operation, it may be due to excessive negative pressure on the oil pump, flue gas return in the supply air, or a contaminated boiler. To address this, check CO values, inspect the flame monitor and lead, press reset, check the fuel system for leaks, or seek professional service.
How to fix flue gas/supply air damper that does not respond on Wolf Boiler?
If the Wolf Boiler's flue gas/ventilation air damper contact (E1) fails to close or open when there is a demand, you should check the flue gas/ventilation air damper and its wiring.
Why Wolf COB-20 has insufficient heating system heating, frequent cycling?
If your Wolf Boiler is not sufficiently heating the system and is cycling frequently, it could be due to air in the heating or cylinder system. You should vent the radiators, cylinder primary circuit, heating circuit pumps, and the boiler itself.
How to fix faulty boiler sensor on Wolf COB-20 Boiler?
If the Wolf Boiler shows a faulty boiler sensor, it indicates a problem with the sensor or its lead. Check the sensor and lead to resolve this issue.
How to fix faulty cylinder sensor SF on Wolf Boiler?
If the Wolf Boiler displays a faulty cylinder sensor SF, it indicates an issue with the sensor or its lead. Check the sensor and lead to resolve the problem.
How to fix outside temperature sensor faulty on Wolf Boiler?
If the Wolf Boiler indicates a faulty outside temperature sensor, it means there is an issue with the sensor or its lead. Check the sensor and lead.
Specifies factory default pressures for Stage 1 (8.5 ± 1.0 bar) and Stage 2 (16.8 ± 2.5 bar).
Details adjustment procedures (SW 8, turns) and target pressures for ST1/ST2 across models COB-40, COB-29, COB-20, COB-15.
Specifies factory default pressures for Stage 1 (8.5 bar) and Stage 2 (17 bar).
Details adjustment procedures (SW 8, turns) and target pressures for ST1/ST2 across models COB-2-40, COB-2-29, COB-2-20, COB-2-15.
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