Flowserve NRR 2-40 - Manual (Page 25)

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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 devices are
provided with 120
Ω
terminating resistors, see 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 bus-based devices is not set correctly.
Remedy: Check baud rate settings of all bus devices. 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 bus-based devices 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