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SERVICE
6. SERVICE
This section describes the maintenance of the ZL6. Troubleshooting solutions and
customer service information are also provided.
6.1 MAINTENANCE
The ZL6 may be returned to METER for maintenance (system inspection or replace old or
damaged parts). Select replacement parts (e.g., USB cable, antenna, cable strain relief
parts, or gaskets) can also be ordered from METER. Contact Customer Support for more
information. ZENTRA Utility makes it easy to send feedback, bug reports, and feature
requests to METER (Section4.2.5).
The ZL6 requires little maintenance when installed correctly. Be sure to check the
ZL6 logger periodically:
• Replace batteries as needed.
NOTE: Do not mix NiMH and alkaline batteries together. Do not mix new and old batteries together.
• Inspect the battery holders to ensure they are clean and free of corrosion.
• Verify that the sensor ports are clean and that the sensors are making good contact with
the ports.
• Clean the inside of the sensor ports with isopropyl alcohol and a swab if soil or other
foreign materials are visible.
• Check case gaskets and strain relief hooks. Replace gaskets every 1 to 2 years, as needed.
• Replace zip ties securing the logger annually or as needed.
NOTE: Never immerse the ZL6 in liquids or bury the ZL6. This and other misuse, improper protection, or improper
installation may damage the ZL6 and void the manufacturer’s warranty.
NiMH batteries should last for several years if they are charging properly. Over a long period
of time, NiMH batteries will begin to lose their charge capacity. If dark periods lasting
months cause the batteries to discharge too low, it is time to replace the NiMH batteries.
When replacing NiMH batteries, use high-quality batteries advertising higher charge
capacity. New NiMH batteries may also be purchased from METER. Contact Customer
Support to discuss concerns or recommendations.
Alkaline batteries should be replaced when the battery charge nears 0%. Replace batteries
with high-quality alkaline batteries. A low-quality battery may not provide the desired
battery life for the ZL6 logger.
NOTE: Installing or replacing the batteries in the ZL6 resets the internal real-time clock. The ZL6 requires a time sync
to accurately save a time and date stamp with each sensor measurement record. The ZL6 and ZL6 Pro time can be
set from ZENTRA Utility, the on-board GPS receiver, or the cellular network. Press the TEST button after changing the
batteries to enable the GPS receiver to acquire a new time and position fix. The ZL6 Basic receives a time sync when
the logger connects to ZENTRA Utility or ZENTRA Utility Mobile.
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