Clean The Meter; Replace The Batteries; Troubleshooting - Hach HQd Serie Manual Básico Del Usuario

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Clean the meter

The meter is designed to be maintenance-free and does not require
regular cleaning for normal operation. Exterior surfaces of the meter may
be cleaned as necessary.
1. Wipe the surface of the meter with a damp cloth.
2. Use a cotton-tipped applicator to clean or dry the connectors.

Replace the batteries

W A R N I N G
Explosion hazard. Incorrect battery installation can cause the release of explosive
gases. Be sure that the batteries are of the same approved chemical type and
are inserted in the correct orientation. Do not mix new and used batteries.
For battery replacement, refer to
tightly closed to maintain the IP67 enclosure rating.
1. Pull the release tab on the battery cover and the remove the cover.
2. Remove the batteries.
3. Install 4 AA alkaline or 4 AA nickel metal hydride (NiMH) batteries.
Make sure that the batteries are installed in the correct polarity.
4. Replace the battery cover.
Figure
10. Make sure that the cover is
Figure 10 Battery replacement
1 Batteries
2 Release tab

Troubleshooting

Refer to the following table for common problem messages or
symptoms, possible causes and corrective actions.
3 Battery cover
English 15

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