Grm Ip - Grundfos CIM 500 Installations- Und Bedienungsanleitung

6.4 GRM IP

You can detect faults in a module by observing the
status of the two status LEDs. See the tables below.
CIM 500 fitted in a Grundfos product or CIM 500
fitted in a CIU 500*
Ensure that SW1 is in position "4" to select
GRM IP.
Fault (LED status)
1. Both LEDs remain off when the power
supply is connected.
2. LED1 remains off.
3. LED2 is flashing red.
4. LED1 is flashing green.
5. LED1 is permanently red.
6. LED2 is permanently red.
7. LED1 is flashing red.
8. Cannot access CIU 500 on the
GRM interface.
* Requires a contract with Grundfos.
Possible cause
a) The module is fitted
incorrectly in the Grundfos
product.
b) The module is defective.
c) CIU 500 is defective.
a) SW1 is not set correctly.
a) No internal communication
between the module and
the Grundfos product.
b) No internal communication
between the CIU 500 and
the Grundfos product.
c) No GRM driver is loaded.
a) 120 seconds startup
phase.
a) SW1 is in illegal position.
a) The module does not
support the connected
Grundfos product.
a) The GRM communication
is lost or there is no
communication to the
GRM server.
a) No connection to the GRM
server.
Remedy
Check that the module is fitted
and connected correctly.
Replace the module.
Replace CIU 500.
Set the switch to "4".
Check that the module is fitted
correctly in the Grundfos
product.
Check the cable connection
between the Grundfos product
and CIU 500.
Connect to the GRM server
and run the four-step wizard.
Set the switch to "4".
Contact the nearest Grundfos
company.
• Check the Ethernet cable in
the router.
• Check the router settings.
• Check the router related to
the SIM card.
• Check that the contract with
Grundfos is valid and there
is access to the GRM data.
Check that you use the lowest
MAC address (lowest number)
of the two ports of CIM 500.
See the sticker on the module.
Requires a contract with
Grundfos and granted access
to GRM.
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