Samson 5857 - Malfunctions and Troubleshooting; Error Indication by LEDs

EB 5857 EN 9-1
Malfunctions
9 Malfunctions
Î Troubleshooting (see Table 9-1).
Contact SAMSON's After-sales Service for malfunctions not listed in the table.
Table 9-1: Troubleshooting
Error Possible reasons Recommended action
Actuator stem does not move. Actuator is blocked.
Î Check attachment.
Î Remove the blockage.
No or incorrect supply voltage
connected.
Î Check the supply voltage
and connections.
Actuator stem does not move
through the whole range.
No or incorrect supply voltage
connected.
Î Check the supply voltage
and connections.
The actuator does not control the
valve position
1)
.
The actuator was not initialized
during start-up.
Î Check the switch position
of the direction of action
switch.
Î Initializing the actuator
The mounting has been changed.
1)
Version with positioner only
9.1 Error indication by LEDs (version with positioner)
Blinking pattern of the red LED
− Limit contact error
On
Off
Time in s
− Input signal failure detected
On
Off
Time in s
Note