Burkert Type 8793 - Manual (Page 234)

234
Maintenance and Troubleshooting
35.2. Other faults
Problem Possible.causes Remedial.action
POS = 0 (when CMD > 0%) or
POS = 100%, (when CMD < 100%)
PV = 0 (when SP > 0) or
PV = PV (when SP > SP ) Sealing function ( CUTOFF) has been unin-
tentionally activated
Deactivate sealing
function.
Applies.only.to.devices.with.binary.
output:
Binary output does not switch.
Binary output:
• Current > 100 mA
• Short-circuit
Check binary output
connection.
Applies.only.to.devices.with.
process.controller:
Device is not operating as a con-
troller, despite correctly implemented
settings.
P.CONTROL menu option is in the main
menu. The device is therefore operating as
a process controller and expects a process
actual value at the corresponding input. Remove P.CONTROL
menu option from the
main menu. See chapter
“19.1.2. Deactivating
auxiliary functions”.
Table 130: Other faults
english
Type 8792, 8793