METER ZL6 Manual

ZL6 Cellular
Replace the ZL6 cellular board if it malfunctions or needs to be upgraded. These step-by-step
instructions will explain the replacement process. A #1 Phillips screwdriver and a wooden stick
NOTE: Update the logger firmware to the latest version using the
the ZENTRA Utility Help menu.
ACCESS CELLULAR BOARD
CAUTION: Do not disconnect the solar panel wiring.
1.
2. Press the TEST
the logger.
4. Carefully lift up the main board and rotate over to
REMOVE EXISTING CELLULAR BOARD
5. Disconnect the antenna cable on the right side
of the board by pulling the connector straight out
away from the cellular board.
6. Place the wooden stick (included) under the
cellular board as shown in the image below.
7. Use the wooden stick to carefully pry the board
off the white pegs that hold it on the main board.
8. Place fingers on the outer edge of the board and
lift up and off of the remaining two pegs.
9. Remove the SIM card if it will be used with the
new board.
TEST
Check for Logger Firmware Updates
3. Remove the four screws
from the main board using a
SIM card
Peg
Cellular
board
Peg
Wooden stick
(included)
SIM card
Peg
Cellular
board
Peg
18318-01
6.30.2021
option in
Peg
Solar panel
24-pin
connector
Antenna
cable
connection
Peg
Solar panel
24-pin
connector
Antenna
cable
connection