LED1, GRM IP
Status
Description
No GRM IP communication or
Off
switched off.
Flashing green
Startup period (120 seconds)
Permanently
Communication with the
green
GRM server is established.
Flashing green
Data is transmitted to the
(0.3 Hz)
GRM server.
• GRM communication lost,
• no communication to the GRM
Flashing red
server, or
• product driver is not loaded
from GRM.
Resetting to factory settings.
Flashing red
After 20 seconds CIM 500
and green
restarts.
LED2, all fieldbuses
Status
Description
Off
The module is switched off.
No internal communication
Flashing red
between CIM 500 and the
Grundfos product.
Permanently
The module does not support the
red
Grundfos product connected.
Internal communication between
Permanently
the module and the Grundfos
green
product is OK.
Permanently
Memory fault.
red and green
During startup, there is a delay of up to five
seconds before the status of LED1 and
LED2 is updated.
5. Data activity and link LEDs
The module has two connectivity LEDs related to
each RJ45 connector. See fig. 1.
DATA1 and DATA2
These yellow LEDs indicate data traffic for the RJ45
connector in question.
Status
Description
No data communication on
Off
RJ45 connector
Data communication on
Flashing
RJ45 connector
On
Heavy network traffic
LINK1 and LINK2
These green LEDs show whether the Ethernet cable
is properly connected to the RJ45 connector in
question.
Status
Description
Off
No Ethernet link on RJ45 connector
On
Ethernet link on RJ45 connector is OK
11