Grundfos CIM 2XX Instrucciones De Instalación Y Funcionamiento página 9

4. LEDs
The CIM 2XX Modbus module has two LEDs.
See fig. 1.
• Red/green status LED (LED1) for Modbus
communication
• Red/green status LED (LED2) for internal
communication between the CIM 2XX and
the Grundfos product.
LED1
Status Description
Off. No Modbus communication.
Flashing green. Modbus communication active.
Fault in the Modbus
Flashing red.
communication.
Permanently Fault in the CIM 2XX Modbus
red. configuration.
LED2
Status Description
The CIM 2XX has been switched
Off.
off.
No internal communication
Flashing red. between the CIM 2XX and
the Grundfos product.
Permanently The CIM 2XX does not support
red. the Grundfos product connected.
Internal communication between
Permanently
the CIM 2XX and the Grundfos
green.
product is OK.
During start-up, there may be a delay of
up to 5 seconds before the LED2 status
Note
is updated.
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