W&H Lisa VA131-17 Instructions For Use Manual page 86

Maintenance
REPLACING THE DUST FILTER
A video animation is available on https://video.wh.com/en_global/dental-faq.
Notice: If you replace this consumable before the maintenance due date you have to reset the cycle counter. See "Replace the consumable
before the maintenance due date" on page 79.
Proceed as follows:
Pull out the dust filter handle from underneath the sterilizer.
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86 LISA | Instructions for Use | VA131 2019 ENG Rev06 | 16/04/2020 | © 2020 W&H Sterilization Srl