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Robert CunninghamSep 9, 2025
What to do if Dunkirk DCC-205 has gas valve command fault?
- AAmy FoleySep 9, 2025
If your Dunkirk Boiler has a gas valve command fault, verify all cables and replace the PCB.
What to do if Dunkirk DCC-205 has gas valve command fault?
If your Dunkirk Boiler has a gas valve command fault, verify all cables and replace the PCB.
What to do if safety thermostat tripped in Dunkirk DCC-205?
If the safety thermostat has tripped on your Dunkirk Boiler due to over temperature, which may be caused by a blocked pump or air in the heating circuit, check the safety thermostat and its cable. Also, verify the correct circulation of water and the pump.
How to fix combustion test alarm during calibration of Dunkirk DCC-205 Boiler?
If your Dunkirk Boiler's combustion test triggers an alarm during commissioning or calibration, examine the flame sensor. Check for any obstructions in the flue pipe and look for recirculation issues. Verify the gas pressure, gas orifice, and gas quality. You may need to perform automatic and manual calibration functions.
What to do if hydraulic pressure is too high in Dunkirk DCC-205?
If the hydraulic pressure in your Dunkirk Boiler is too high, relieve the pressure using the relief valve or by draining the system. Ensure that the water feed is operating correctly.
How to fix low hydraulic pressure in Dunkirk DCC-205 Boiler?
If the hydraulic pressure in your Dunkirk Boiler is too low, refill the heating system by opening the cold water tap.
What to do if NTC flue sensor tripped in Dunkirk DCC-205 Boiler?
If the NTC flue sensor in your Dunkirk Boiler has tripped due to over temperature, check the thermostat and ensure correct water circulation and pump operation. Also, check the status of the primary exchanger.
How to check Flue NTC heat exchanger sensor fault in Dunkirk Boiler?
If you're encountering a Flue NTC heat exchanger sensor fault in your Dunkirk Boiler, check the sensor and its cable.
How to check Outdoor sensor fault in Dunkirk DCC-205 Boiler?
If you're encountering an Outdoor sensor fault in your Dunkirk Boiler, check the sensor and its cable.
How to program PCB in Dunkirk Boiler?
If the PCB of your Dunkirk Boiler is not programmed, follow the instructions provided with the control board replacement kit. If you need further assistance, call technical service.
What causes communication problem between Dunkirk Boiler board and control unit?
If you're experiencing a communication problem between the boiler board and control unit of your Dunkirk Boiler, it's likely due to a short circuit on the wiring. Check the cable between the control unit and the boiler.
Essential safety precautions, hazard symbols, and warnings.
Identifies and illustrates key parts of the DCB 100 boiler.
Steps for connecting the heating-only system to the boiler.
Overview of the boiler control panel interface and its functions.
Steps for safely testing gas connections and purging the supply.
Pre-season checks for safe boiler operation and efficiency.
General
