Grundfos CIM 260, Installation And Operating Instructions Manual

Page: 11 / 100

English (GB)
11
CIM 260 or 280 fitted in the CIU unit
Fault (LED status) Possible cause Remedy
1. Both LEDs (LED1 and LED2)
remain off when the power
supply is connected. a) The CIU unit is defective. Replace the CIU unit.
b) The CIM module is defective. Replace the CIM module.
c) The CIM interface or the CIM
connector in the product is
defective. Contact Grundfos.
2. The LED for internal
communication (LED2) is
flashing red. a) No internal communication
between CIM 260 and the
Grundfos product. • Check the cable connection
between the Grundfos product
and CIM 260.
• Check that the individual
conductors have been fitted
correctly.
• Check the power supply to the
Grundfos product.
3. The LED for internal
communication (LED2) is
permanently red. a) CIM 260 does not support the
Grundfos product.
Contact the nearest Grundfos
company.
b) CIM 280 is not configured.
The product driver is not
downloaded from the cloud
yet.. When CIM 280 is
switched on, the LED2 may
turn green for 1 minute before
it turns permanently red. Run the CIM setup process in the
cloud. Contact the nearest
Grundfos company.
4. LED1 is flashing yellow. a) The SIM card has not been
inserted. Insert the SIM card. See section
2.6 Inserting the SIM card .
b) The SIM card has not been
inserted correctly. Insert the SIM card. See section
2.6 Inserting the SIM card .
c) The PIN code of the SIM card
has not been removed or set
to 4321. Remove the PIN code, or set it to
4321 with a mobile phone. See
section
2.6 Inserting the SIM card .
d) No connection to the cellular
network. • Check the connection to the
antenna.
• Check the cellular coverage of
the area with for instance a
mobile phone. Experiment with
the position of the external
antenna.
• In some cases, adding an
additional antenna to the
second SMA connector may
improve the signal. See fig.
3 .
5. LED1 is pulsating yellow with
single pulse, but CIM 260
cannot send or receive SMS
messages. a) CIM 260 has not been
initialised. Initialise CIM 260 with the
command INIT. See section
2.6 Inserting the SIM card in the
manual "CIM 260 SMS
commands".