9
Maintenance
DANGER!
Mains voltage
– Before beginning with maintenance work, unplug
the mains plug and protect the device against being
unintentionally switched back on again!
– Indicate maintenance work with warning signs.
– Maintenance work may only be performed by spe-
cialised personnel.
– Put safety equipment back into operation after
maintenance or repair work
We recommend keeping a safety logbook
‘Safety logbook’ on page 39, where all work (mainte‐
nance, repairs......) performed on the device is entered.
The most important element of maintenance is regular
cleaning:
Maintenance
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