Leds - Grundfos CIM 3 Series Installation And Operating Instructions Manual

4. LEDs

The CIM 3XX BACnet module has two LEDs.
See fig. 1.
• Red/green status LED (LED1) for BACnet
communication
• Red/green status LED (LED2) for internal
communication between the CIM 3XX and
the Grundfos product.
LED1
Status Description
Off. No BACnet communication.
Flashing green. BACnet communication active.
Fault in the BACnet
Flashing red.
communication.
Permanently Fault in the CIM 3XX BACnet
red. configuration.
LED2
Status Description
The CIM 3XX has been switched
Off.
off.
No internal communication
Flashing red. between the CIM 3XX and
the Grundfos product.
Permanently The CIM 3XX does not support
red. the Grundfos product connected.
Internal communication between
Permanently
the CIM 3XX and the Grundfos
green.
product is OK.
During start-up, it may take up to
Note
5 seconds to update the LED2 status.
7