Other malfunctions – Burkert Type 8630 User Manual
Page 158

156 - 8630
M
AINTENANCE
AND
ERROR
CORRECTION
ON
THE
PROCESS
CONTROLLER
Other malfunctions
Problem
Possible causes
Remedy
POS = 0 (with CMD > 0%) or
Tight-closing function
Deactivate tight-closing
POS = 100%,(with CMD < 100%) (CUTOFF) has
function
PV = 0 (with SP > 0) or
been inadvertently activated
PV = PV (with SP > SP )
Only with devices with analog
repeat:
red LED does light
Binary output:
Check connection of
Current > 100 mA
binary output
Binary output does not switch
short circuit
Only with devices with process
controller:
Device does not work as a
Menu item
P.CONTRL stands in
Remove the menu item
controller despite correctly
main menu. The device thus
P.CONTRL from the main
executed settings.
works as a process controller
menu.
and expects a process value at
the corresponding input.