Installation and Operating Instructions

English (GB)
8
3.2 LEDs
The CIM 260 and CIM 280 cellular module have two
LEDs.
See fig. 1.
• Yellow and green status LED (LED1) for cell
ular
commu
nication
• Red and green status LED (LED2) for internal
communication between the CIM 260 or CIM
280
and the Grundfos prod
uct.
LED1 (yellow and green)
Fig. 7 LED1 status
LED1 status
TM04 2646 2808
Searching for cellular
network
Call-up connection
established
*
Data exchanged via
data connection
*
Data exchanged via
call-up connection
*
Sending SMS
message
1 sec.
3 sec.
1
6
4
5
3
2
Yellow Green
Cellular network active
*
Only applies to
C
IM 260.
Pos. LED1 status Description for CIM 260 Description for CIM 280
1 Flashing yellow. Searching for a cellular network. Searching for a cellular network.
2
Pulsating yellow
(single pulse).
Connection to the cellular network
has been established.
Connection to the cellular network
has been established.
3 Permanently yellow.
Call-up connection has been
est
ablished.
-
4
Pulsating green
(single pulse).
Data are exchanged via data
connection.
-
5
Pulsating green
(double pulse).
Data are exchanged via call-up
connection.
-
6 Green (3 sec.). Sending an SMS message. Sending an SMS message.