Grundfos CIM 300 BACnet Manual Del Usuario página 9

CIM 3XX fitted in the CIU 3XX
Fault (LED status)
1. Both LEDs (LED1 and LED2)
remain off when the power
supply is connected.
2. The LED for internal
communication (LED2)
is flashing red.
3. The LED for internal
communication (LED2)
is permanently red.
4. The BACnet LED (LED1)
is permanently red.
5. The BACnet LED (LED1)
is flashing red.
Possible cause
a) The CIU 3XX is defective.
a) No internal communication
between the CIU 3XX and the
Grundfos product.
a) The CIU 3XX does not support
the Grundfos product
connected.
a) Fault in the CIM 3XX BACnet
configuration.
a) Fault in the BACnet
communication (fault in cyclic
redundancy check).
Remedy
Replace the CIU 3XX.
• Check the cable connection
between the CIU 3XX and
the Grundfos product.
• Check that the individual
conductors have been fitted
correctly.
• Check the power supply to the
Grundfos product.
Contact the nearest Grundfos
company.
• Check that the BACnet MAC
address (switches SW6 and
SW7) has a valid value [0-127].
See section 3.3 Setting the
BACnet MAC address.
• Check the Device Object
instance number (switch SW3).
See section 3.4 Setting the
Device Object instance
• Check the transmission speed
(switches SW4 and SW5).
See section 3.5 Setting the
BACnet transmission speed.
• Check the cable connection
between the CIM 3XX and
the BACnet network.
• Check the termination resistor
settings (switches SW1 and
SW2).
See section 3.2 Termination
resistor.
number.
9