DE DIETRICH CBB - Manual (Page 16)

16
CBB 15/09/2008 - 300008541-001-E
7. Troubleshooting
7 Troubleshooting
Checks to make before calling your fitter:
For all other problems: Contact the fitter.
Before informing the fitter of a fault, make a note of the following
information:
- Product type
- Year of manufacture
- Serial number
This information can be found on the rating plate stuck to the side
panel of the boiler.
Faults Probable causes Fault finding
The boiler stops soon after ignition.
The fire has not properly taken (the set
temperature has not been reached). Relight the fire.
See chapter: "Ignition"
Flue gases are escaping from the
loading door.
The door seals are not airtight.
Get the fitter to adjust the doors.
Have the fitter replace the seals if necessary.
The radiators are cold.
The heating outlet and return valves are closed. Open valves.
Boiler fitted with a control unit:
The control unit is not correctly set.
Check the settings
See: Control unit instructions
The boiler thermostat and/or the remote control
are not correctly set.
Increase the setting.
The water level and/or pressure are too low. Fill the installation and bleed the radiators.
The radiator valves are closed. Open valves.
The heating circulator pump and/or the storage
tank load pump do not work. Turn the unlocking screw located at the centre of the pump with a
screwdriver.
The 3-way valve does not open automatically.
Open the valve.
Contact the fitter.
There is no domestic hot water.
The domestic hot water calorifier load pump
does not work. Turn the unlocking screw located at the centre of the pump with a
screwdriver.
There is air in the primary circuit (exchanger)
on the domestic hot water calorifer.
Activate the automatic bleed on the domestic hot water calorifier.