8.3
Specific maintenance operations
WARNING
Ensure that the boiler is switched off. Electrical isolation
can be checked at the electrical test point.
CAUTION
4
Always examine any seals or gaskets, replacing
where necessary. Where a seal or gasket is supplied
with a spare part it should be used, irrespective of the
condition of the original.
4
Use only original spare parts that are intended for use
with this type of boiler.
If the standard inspection and maintenance operations have revealed
the necessity to carry out additional maintenance work, proceed as
follows, depending on the nature of the work:
8.3.1.
Replacing the ionization/ignition electrode
Replace the ionization/ignition electrode in the following cases:
4
Ionization current <3 µA.
4
Electrode worn.
1. Open the protective cover for the fan at the top.
2. Remove the ignition electrode plugs from the PCB.
3. Unscrew the 2 screws on the ignition electrode. Remove the unit.
4. Fit the new ionisation/ignition electrode.
5. To re-assemble, perform the above actions in reverse order.
R000695-B
R000433-A
2
2
1
3
8. Checking and maintenance
Baxi MainEco Combi and System 24 - 28 - 35 / 18 - 24
58
02092014 - 7619497-02
