Cleaning and maintenance Cleaning (customer)
2.5.7 Establish operational readiness
Mounting the cover on the top
Re-install the cover back on top of the boiler.
Fig. 2-56: Cover
Switch the boiler on via the mains switch and start
ash removal
Switch the boiler back on at the mains switch. Press
the [De-ash] button for the boiler to start the de-
ashing process. Switch the boiler back on using the on
/ off switch .
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