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System malfunctions – Flowserve NRS 2-40 User Manual

Page 23

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LED “Bus status” flashes slowly.

Fault:

Data transfer in CAN bus interrupted.

Remedy: The bus cables have to be correctly connected according to the wiring

diagram (observe polarity!). Make sure that all end-of-line nodes are
provided with 120

terminating resistors, referring to the wiring diagram.

Disconnect the system from its power supply. After 5 sec. apply power
and restart system.

Fault:

Malfunction in CAN bus.

Remedy: Restart system.

Fault:

The baud rate of one or more nodes is not set correctly.

Remedy: Check baud rate settings of all bus nodes. The baud rates must be

identical. Refer to section “Annex” for more details.
Disconnect the system from its power supply. After 5 sec. apply power
and restart system.

Fault:

The overall length of the bus cable does not correspond to the selected
baud rate.

Remedy: Change baud rate settings of all nodes according to the indications

specified in “Annex”.
Disconnect the system from its power supply. After 5 sec. apply power
and restart system.

LED “Bus status” flashes slowly.

High/low-level alarm

System malfunction 3

System Malfunctions

– continued –

LED flashes slowly

LED flashes slowly