![Hach LXV525.99A15551 User Manual Download Page 46](http://html1.mh-extra.com/html/hach/lxv525-99a15551/lxv525-99a15551_user-manual_576822046.webp)
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 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.
44
English
Summary of Contents for LXV525.99A15551
Page 1: ...DOC343 52 90690 SC4500 08 2022 Edition 3 User Manual ...
Page 2: ......
Page 26: ...5 1 Menu structure 24 English ...
Page 63: ......