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14.2 CIU 262
You can detect faults in CIU 262 by observing the status of the
two communication LEDs. See the table below and section
4.
Specifications.
14.2.1 LED status
Fault (LED status)
1. LED1 and LED2 remain off when the
power supply is connected.
2. LED2 for internal communication is
flashing red.
3. LED2 for internal communication is
permanently red.
4. LED1 for cellular communication is
flashing yellow. See signal 1 in fig. 13.
5. LED1 for cellular communication is
pulsating yellow with single pulse, but
CIM 260 cannot send or receive SMS
messages.
Possible cause
a) CIM 260 is fitted incorrectly in the
Grundfos product.
b) CIM 260 is defective.
a) No internal communication between CIM
260 and the Grundfos product.
a) CIM 260 does not support the Grundfos
product connected.
a) The SIM card has not been inserted.
b) The SIM card has not been inserted
correctly.
c) The SIM card PIN code is not correct.
d) No connection to the cellular network.
a) CIM 260 has not been initialised.
Remedy
Ensure that CIM 260 is fitted and connected
correctly.
Replace CIM 260.
Ensure that CIM 260 is fitted correctly in the
Grundfos product.
Contact the nearest Grundfos company.
Insert the SIM card.
See section
6.1.2 Inserting the SIM
Insert the SIM card.
See section
6.1.2 Inserting the SIM
Enter the correct PIN code.
See section
6.1.2 Inserting the SIM
• Check the connection to the antenna.
• Check the cellular coverage of the area
using for example a mobile phone.
• Use an external antenna and experiment
with the position.
Follow the configuration procedure in "CIM
260 SMS commands" which you can
download from Grundfos Product Center..
card.
card.
card.
49
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