Hach CAx440EX User Instructions page 9

Color
Green, one flash
Green, three flashes
Green, steady
Yellow, one flash
Red, one flash
Figure 2 Internal view
1 Activation code
2 QR code for Hach H
3 Internal antenna
4 Battery terminals
5 "RS-232 SENSOR CABLE" terminal
2.6 Product components
Make sure that all components have been received. Refer to
damaged, contact the manufacturer or a sales representative immediately.
3
A DC power supply can be used as an alternative to the batteries or with the batteries.
4
The terminal cover must be closed when the field transmitter is used in a hazardous location.
The terminal cover cannot be closed if the "DC 9–28V" terminal and/or "4-20mA 24V" terminal
are used.
Table 4 Status LED
Status
Connected to cellular network
Connection to cellular network in progress
Data transmission to a cellular network
The sensor is not connected.
Cannot connect to a cellular network
S Data
2
6 "4–20mA SENSOR CABLE" terminal
7 Power switch
8 "4-20mA 24V" terminal for device
3
9 "DC 9–28V" terminal
4
10 Terminal cover
Figure 3. If any items are missing or
English 9