06/2016 - Art. Nr. 4200 1041 1103A36
Servicing
Menu 3: Fault memory
Entering a telephone number for the maintenance company and the
maintenance contract number
Menu - Fault memory
To access the fault memory menu, press any key when the burner is ready for operation or in operation, or
when it is in malfunction mode. It is not possible to access the fault memory menu during the start-up phase.
The general menu screen will appear. Using the , , , or keys, place the cursor on the fault
memory menu symbol, and confirm using the key.
The details of the last fault to appear are indicated by the flashing symbol. This includes the fault code, flame
intensity, air and fuel controller position and burner operating time up to the lockout point.
Using the and keys, it is possible to call up the details of the last 5 faults to have appeared (the fault
number is displayed in the upper left corner of the display). After the details of the last 5 faults, the telephone
number of the after-sales department as well as the maintenance contract number (no values are entered in
the factory) and the menu point "Delete fault memory" are shown.
• Exit the menu using the key.
Entering a telephone number for the maintenance company and the maintenance contract number
When the corresponding symbol appears on the display:
• Press the key, the first digit starts to flash.
• Using the or keys, change the figure to the value required (underscore = empty field).
• Using the key, move on to the next figure.
• When the number is complete, save using the key.
• The last menu point of menu 3 makes it possible to delete the fault memory (see explanation on the next
page).
Fault diagnosis help symbols
Note: The fault displays described below only show fault diagrams for gas operation (images); however, they
are also valid for fuel oil operation. Any deviations are noted where relevant.The symbol shown in the top
right-hand corner of the display indicates the fuel for which the fault has occurred.
Symbol Cause Symbol Cause Symbol Cause
The control and
safety unit has been
manually locked
Flame extinguishing
during operation
Safety valve fault (gas
operation only)
- Leak in safety gas valve
- Main gas valve not
opening (defective)
- Pressure switch
defective (contacts are
welded)
Air pressure switch
malfunction at burner
startup
(air pressure switch
activated)
- Combustion air still
present
- Pressure switch
defective (contacts are
welded)
- Pressure switch
incorrectly set
Internal fault with the
air servomotor
No defined curve
Air pressure switch
malfunction at burner
startup (air pressure
switch not switching)
- No combustion air
- Pressure switch
defective
- Pressure switch
incorrectly set
Internal fault with
fuel servomotor
Fault in boiler safety
circuit during
operation
Stray light
Gas pressure switch
malfunction
- No gas pressure
- Pressure switch
defective
- Pressure switch
incorrectly set
Fault in burner
safety circuit during
operation
No flame at end of
safety time
Main gas valve fault (gas
operation only)
- Leak in main gas valve
- Safety valve not opening
(defective)
- Insufficient gas pressure
- MIN pressure switch
defective
- MIN pressure switch
incorrectly set
Unknown fault
For details, see the
fault code list
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