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Maintenance
90
Cleaning the fan filter
If the filter, attached to the fan vent, starts to clog and the internal temperature rises, accurate
measurement values can no longer be obtained and there is a risk of product failure. Clean
the fan filter on a regular basis.
Maintenance interval guideline
Once a week
Items required
Flathead screwdriver or similar tool
Work procedure
1.
Turn OFF the power.
2.
Use the flathead screwdriver to remove the retainer from the fan vent on the back of
the main unit.
Fig. 100 Removing the fan filter
3.
Remove the fan filter and tap to clean.
Fig. 101 Cleaning the fan filter
4.
Re-attach the fan filter and retainer.