− EEPROM error
− Blockage
Blinking pattern of the yellow LED
− Plausibility error in memory pen
− EEPROM error in memory pen
9.2 Emergency action
Plant operators are responsible for emergency action to be taken in the plant.
Tip
Emergency action in the event of valve failure is described in the associated valve documen-
tation.
9-2
On
Off
On
Off
2
On
Off
On
Off
Time in s
4
6
Time in s
Time in s
Time in s
EB 5857 EN