Flowserve NRS 1-40 - Manual (Page 16)

16
System Malfunction 1
System Malfunctions
– continued –
LED 1 flashes slowly.
A system malfunction in level
electrode 1 was detected.
LED 1 flashes slowly
Fault: The max. admissible temperature in the terminal box of the electrode
has been exceeded.
Remedy: Insulate electrode flange against heat radiation.
LED 1 and 2 flashes slowly Hold down button .
LED 1 and 2 flashes slowly
Fault: The electronic circuit board of the level electrode is defective.
Remedy: Replace electronic circuit board of the level electrode 1.
LED 2 flashes slowly Hold down button .
LED 2 flashes slowly.
The system will continue to work once
the causes of the system malfunctions
are completely eliminated.
The terminal strip of the NRS 1-40 is live during operation.
This presents the danger of electric shock.
Cut off power supply before fixing or removing the equipment.
Danger