Flowserve NRS 1-42 - Manual (Page 18)

18
System Malfunctions
– continued –
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
The four indicator LEDs flash slowly.
MAX
/
MIN
alarm
System Malfunction 1
LEDs flash slowly
Fault: The max. admissible temperature in the electrode terminal box is exceeded.
Remedy: Insulate electrode flange to protect the equipment against heat radiation.
The four LEDs flash rapidly.
MAX
/
MIN
alarm
System Malfunction 2
LEDs flash rapidly
As soon as the temperature drops below the max. admissible limit the equipment
automatically returns to normal operation.
Fault: The CAN bus line between the nodes is interrupted.
Remedy: Check wiring and terminals. Restart system.
Fault: Incorrect node ID settings.
Remedy: Set correct node ID(s), referring to sections “Basic Adjustment” and “Annex”.
Disconnect the system from its power supply. After 5 sec. connect
power and restart system.