7.1 Clean the instrument
Clean the exterior of the instrument with a moist cloth and a mild soap solution and then wipe the
instrument dry as necessary.
Note: The manufacturer recommends that the screen is locked during cleaning, or when a waterjet is used near the
controller.
7.2 Unlock the controller cover
Some outdoor conditions can cause a blockage in the controller cover. If necessary, use a flat
screwdriver to push at the hinge groove and unlock the controller cover. Refer to Figure 16.
Figure 16 Unlock the controller cover
7.3 Fuse replacement
Fuses are not user-serviceable items. The need for fuse replacement in controllers indicates severe
technical failure and is therefore considered to be a service activity. If a blown fuse is suspected,
contact Technical Support.
7.4 Battery replacement
The lithium ion backup battery is not user replaceable. Contact technical support for replacement.
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