Fault Finding - Grundfos CIM 2 Serie Montage- Und Betriebsanleitung

5. Fault finding

Faults in a CIM 2XX GSM module can be detected by observing the status of the two communication LEDs.
See the table below and section
CIM 2XX fitted in a Grundfos product
Fault (LED status)
1. Both LEDs (LED1 and LED2)
remain off when the power
supply is connected.
2. The LED for internal
communication (LED2) is
flashing red.
3. The LED for internal
communication (LED2) is
permanently red.
4. LED1 flashing yellow.
5. LED1 is pulsating yellow with
single pulse, but the CIM 2XX
cannot send/receive SMS
messages.
* Only for CIM 25X.
** Only for CIM 27X.
8
4. LEDs.
Possible cause
a) The CIM 2XX is fitted
incorrectly in the Grundfos
product.
b) The CIM 2XX is defective.
a) No internal communication
between the CIM 2XX and the
Grundfos product.
a) The CIM 2XX does not
support the Grundfos product.
b) The CIM 2XX is not
configured.**
a) The SIM card has not been
inserted.
b) The SIM card has not been
inserted correctly.
c) The PIN code of the SIM card
has not been removed or set
to 4321.
d) No connection to the GSM
network.
a) The CIM 2XX has not been
initialised.*
b) The CIM 2XX has not been
configured correctly.*
Remedy
Check that the CIM 2XX is fitted
correctly in the Grundfos product.
Replace the CIM 2XX.
Check that the CIM 2XX is fitted
correctly in the Grundfos product.
Contact the nearest Grundfos
company.
Contact the nearest Grundfos
company.
Insert the SIM card. See section
3.5 Inserting the SIM card.
Insert the SIM card. See section
3.5 Inserting the SIM card.
Remove the PIN code, or set it to
4321 with a mobile phone.
See section 3.5 Inserting the SIM
card.
Check the connection to the
antenna.
Check the GSM coverage of the
area with for instance a mobile
phone.
Use an external antenna, and
experiment with the position.
Initialise the CIM 2XX with the
command INIT. See section
3.5 Inserting the SIM card
manual "CIM 25X SMS
commands".
Use the command CONFSTATUS
to see the CIM 2XX configuration,
and change the configuration with
configuration commands to make it
suit the requirements. See section
3.6 Connecting the battery and
power supply in the manual
"CIM 25X SMS commands".
in the