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4. LEDs
The CIM 300 BACnet module has two LEDs.
• Red/green status LED (LED1) for BACnet MS/TP communication
• Red/green status LED (LED2) for internal communication
between the CIM 300 and the Grundfos booster.
4.1 LED1, BACnet MS/TP communication
4.2 LED2, internal communication
Status
Description
Off
No communication.
Flashing green
Communication active.
Flashing red
Fault in the BACnet communication.
Permanently red
Fault in the CIM 300 BACnet
configuration.
Status
Description
Off
The CIM 300 has been switched off or
is starting up
Flashing red
No internal communication between
the CIM 300 and the booster.
Permanently red
The CIM 300 does not support
the specific booster version.
Permanently green
Internal communication between
the CIM 300 and the booster is OK.
Note
During start-up, there may be a delay of up to
5 seconds before the LED status is updated.
