Flowserve NRS 1-42 - Manual (Page 16)

16
System Malfunctions
There are four system malfunctions that might occur in the level switch and the level
electrode:
■ Max. admissible temperature in electrode terminal box exceeded
■ No or faulty communication between controller and electrode
■ Fault in CAN bus
■ Failure of 24 V power supply unit built in level switch NRS 1-42
The terminal strip of the NRS 1-42 is live during operation.
This presents the danger of electric shock.
Cut off power supply before mounting or removing the equipment.
Danger