Flowserve NRS1-41 - Manual (Page 16)

16
System Malfunctions
– continued –
LED 1 flashes slowly.
A system malfunction in the level
electrode was detected.
System Malfunction 1
LED 1 flashes slowly
Fault: The max. admissible temperature in the terminal box of the electrode
NRG 1…-41 has been exceeded.
Remedy: Insulate electrode flange against heat radiation.
LED 1 flashes slowly Hold down button .
LED 1 flashes slowly.
Fault: The electronic circuit board of the level electrode NRG 1…-41 is
defective.
Remedy: Replace electronic circuit board of the level electrode.
LED 2 flashes slowly Hold down button .
LED 2 flashes slowly.
The system will continue to work once
the causes of the system malfunction
are completely eliminated.
Danger
The terminal strip of the NRS 1-41 is live during operation. This presents
the danger of electric shock. Cut off power supply before mounting and
removing the equipment.