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To open the instrument panel:
- remove the screws C
- slide the instrument panel out and rotate it to the stop position
See Fig. 46
At the end of the operations described above, put everything back in the
reverse order.
b
The gasket F should always be in its original seat.
See Fig. 47
6.3 Accessing the modulation circuit board
b
First disconnect the appliance from the electrical power supply us-
ing the mains omnipolar switch.
7 TROUBLESHOOTING
safety is optimised. This would normally involve:
- removing any rust on the burners
- removing any build-up on the electrode
- cleaning the combustion chamber
- checking that the appliance switches on and off and operates correctly
- checking the fan is operating correctly
- checking the air pressure switch
-
b
FAULT
Boiler does not switch on
No spark but fan operating
Burner does not come on
Burner does not switch off when water shut off
switches off
All manuals and user guides at all-guides.com
Models 11-13
- To access the electronics of the control box, remove the casing and
- Remove the cover to access the board.
See Fig. 48
Models 17
- To access the electronics of the control box, remove the casing and
- remove the two screws G
- remove the cover and access the board.
See Fig. 49
CAUSE
- No electrical supply
- No gas feeding
- Air in gas line
- Pressure switch fault
- Pressure switch tube not connected or cut
-
- Electrode cable cut off
- Broken electronic board
-
- Electrode cable cut off
-
- Main solenoid valve does not open
- Flow switch fault
- Inlet/suction line pipe not installed correctly
turn the instrument panel
take out the instrument panel
- Connect to the mains
- Turn the gas on
- Bleed the circuit
- Replace
- Check – replace – insert
- Replace
-
- Check – replace
- Check – replace
- Check – replace
- Check connector contacts and if necessary
replace the board
- Check and replace if necessary
- Replace
- Check pipe seal
ENGLISH
SOLUTION
25
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