User Manual

7 Maintaining the product
64
7.6.3. Replacing the thermocouple
1. Release the probe catch by pressing the key on the probe
handle and remove the probe module.
2. Remove the thermocouple plug-in head from the socket using
a screwdriver and pull the thermocouple out of the probe shaft.
3. Keep inserting the new thermocouple into the probe shaft until
the connection head clicks into place.
4. Fit a new probe module on the handle and engage in place.
7.6.4. Checking the particle filter
> Check the particle filter of the modular flue gas probe regularly
for contamination: check visually by looking through the window
of the filter chamber.
Replace the filter if there are signs of contamination.
7.6.5. Replacing the particle filter:
The filter chamber may contain condensate.
1. Open the filter chamber: turn slightly anti-clockwise.
2. Remove the filter cartridge and replace it with a new one
(0554 3385).
3. Attach the filter chamber and lock it: turn slightly clockwise.