DEVYL D ie FF
30
6.1 Accessing the modulation circuit board
First disconnect the appliance from the power supply using the mains
switch.
- To access the electronics, remove the casing and open the instrument
panel.
- Remove the two screws (
E
).
- Remove the cover to access the board.
E
E
5 MAINTENANCE
To ensure correct operation over time, the appliance should be checked by
a quali
fi
ed professional at least once a year.
IMPORTANT:
before performing any cleaning or maintenance work, or be-
fore opening or removing the boiler panels, turn the appliance off by shut-
ting off the gas valve.
Check the burner, ignition electrode and gas circuit seal particularly.
Check
that the
fl
ue passage sections of the exchanger are not obstructed.
Use a wet soapy cloth to clean the external panels.
Do not
use abrasive solvents, powders or sponges.
Do not
clean the appliance or its component parts with highly
fl
ammable
substances such as petrol, alcohol or naphtha.
6 REMOVING THE CASING
To remove the casing:
- disconnect the appliance from the power supply using the mains switch
- remove the two screws (
A
)
- pull the casing forwards (
B
)
- lift the casing upwards (
B
), releasing it from the hooks at the top.
A
B
A
To open the instrument panel:
- remove the screws (
C
)
- pull the panel (
D
) out and release until it rests in a locked position.
D
C
C
