- 45 -
IgnItIon and detectIon electrodes
replace it to locate the fault.
Check the position of the electrode edges
warning: isolate the boiler from the mains electrici-
ty supply before removing any covering or compo-
nent .
1 Remove the ignition electrodes (see section "Removal of the
Ignition and detection electrodes" page 43)
2 Check for the correct distance between the metallic edges of
the ignition electrode (see
figure 18 .8
-
figure 18 .9
).
figure 18 .8
Ignition electrode
3,5 mm
earth electrode
Check the connection wires
warning: isolate the boiler from the mains electrici-
ty supply before removing any covering or compo-
nent .
figure 18 .9
Ignition electrode
7 mm
1 Remove all the case panels and the sealed chamber lid.
2 Check for the integrity of the insulation of wires which con-
nect the electrodes to the spark generator and to the control/
ignition p.c.b.
warning - insulation panels material handling care
Mineral fibres are used in this appliance for the insulation panels
of the combustion chamber
Excessive exposure to these materials may cause temporary ir-
ritation to eyes, skin and respiratory tract.
Known hazards - Some people can suffer reddening and itching
of the skin. Fibre entry into the eye will cause foreign body irrita-
tion, which can cause severe irritation to people wearing contact
lenses. Irritation to respiratory tract.
Precautions - Dust goggles will protect eyes. People with a histo-
ry of skin complaints may be particularly susceptible to irritation.
High dust levels are only likely to arise following harsh abrasion.
In general, normal handling and use will not present high risk, fol-
low good hygiene practices, wash hands before, touching eyes,
consuming food, drinking or using the toilet.
First aid - Medical attention must be sought following eye contact
or prolonged reddening of the skin.
Summary of Contents for Inovia 25C ERP
Page 2: ......
