37
LEDs 1 – 4 are flashing slowly.
MIN / MAX alarm.
Fault:
The admissible temperature in the electrode terminal box is exceeded!
Remedy:
Insulate the electrode flange against thermal radiation.
LEDs 1 and 4 are flashing rapidly.
MIN / MAX alarm.
As soon as the temperature falls below the max. admissible limit, the equipment automatically switches
back to normal operating mode.
Fault:
The CAN bus line between the devices is interrupted.
Remedy:
Check wiring and terminals. Restart system.
Fault :
The node IDs are wrong.
Remedy:
Establish node IDs as specified in section “Basic Settings”.
Cut off power supply and restart system after 5 sec.
System malfunction 1
System malfunction 2
LEDs are flashing slowly
LEDs are flashing rapidly
1
2
3
4
Test
P
1
2
3
E
4
MAX
MIN
W
X
W
+
-
GESTRA
NRR 2-40
1
2
3
4
Test
P
1
2
3
E
4
MAX
MIN
W
X
W
+
-
GESTRA
NRR 2-40
System malfunctions
– continued –
Summary of Contents for NRR 2-40
Page 1: ...1 E N English Level Controller NRR 2 40 Original Installation Instructions 810369 06 ...
Page 9: ...9 Technical Data continued Dimensions Fig 2 1 1 8 100 73 ...
Page 10: ...10 Design 0 Fig 3 9 NRR 2 40 9 a ...
Page 11: ...11 Functional Elements NRR 2 40 Fig 5 Fig 4 1 7 6 5 4 3 2 8 ...
Page 13: ...13 Installation continued Fig 6 Example of Installation b 9 0 0 Fig 7 20 20 a ...