Installation and Operating Instructions

English (GB)
10
4. Fault finding the product
Faults in a CIM 260 or CIM 280 cellular module can
be detected by observing the status of the two
communication LEDs. See the table below and
section
3.2 LEDs
.
CIM 260 or CIM 280 fitted in a Grundfos product
DANGER
Electric shock
Death or serious personal injury
- Before starting any work on the product,
make sure that the power suppl
y has
been sw
itched off and that it
cannot be
accident
ally switched on.
Fault (LED status) Possible cause Remedy
1. Both LEDs (LED1 and LED2
)
re
main off when the pow
er
supply is connect
ed.
a) The CIM module is fi
tted
incorrect
ly in the Gr
undfos
product.
Check
that the CIM module is
fitted correctly in the Grundfos
product.
b) The CIM module is defective. Replace the CIM module.
2. T
he LED for internal
comm
unicati
on (LED2) is
flashing red.
a)
No internal communicati
on
between the CIM module and
t
he Grundfos product.
Check that the CIM module is
fitted correctly in the Grundfos
product.
3. T
he LED for internal
comm
unicati
on (LED2) is
pe
rmanently red.
a) The CIM m
odule does not
sup
port the Grundfos product.
Contact the nearest Grundfos
company.
b) The CIM 280 is
not
configured. The product driver
is not downl
oaded from
Grundfos R
e
mote
Manag
ement (GRM) or
Grundfos iSolution Cloud
(GiC) yet. When the CIM 280
is switched on, the LED2 ma
y
t
urn green for one mi
nute
before it
turns permanently
red.
Run the set-up process in GRM or
GiC. Contact the nearest Grundfos
company.
4. LED1 is flashing yellow. a)
The SIM card has not been
inserted.
Insert the SI
M card. See section
2.6 Inserting the SIM card.
b)
The SIM card has not been
i
nserted 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 cell
ular
network.
•
Check the connection to the
antenna.
•
Check the cellular coverage of
the area with for instance
a
mobil
e phone.
• Experiment with the po
sition of
t
he external antenna.
• In some cases, add
ing an
additional antenna to t
he
second SMA connector ma
y
improve the
signal. See fig. 3.
5. LED1 is pulsating yellow wi
th
single pulse, but the CIM 260
cannot send or receive SMS
m
essages.
a) The CIM 260 has not b
een
initialised.
Initialise the CIM 260 with the
command INIT. See section
2.6 Inserting the SIM card in the
manual "CIM 260 SMS
commands".