Failures And Report Errors; Report Errors On Lcd Display; Miscellaneous Failures - Burkert 8630 Instructions De Service

7

FAILURES AND REPORT ERRORS

The Top Control Continuous is maintenance free if used according to the recommendations of this manual.
7.1

Report errors on LCD display

• Faults during initial activation:
Message
• Report errors during AUTOTUNE function:
Message
• Error messages during execution of the P.Q'LIN function:
Display
7.2

Miscellaneous failures

Problem
POS = 0 (by CMD > 0%)
resp.
POS = 100%, (by CMD < 100%)
Top Control Continuous
Possible cause
Internal fault
Possible cause Remedy
Pressure supply not Connect the compressed air supply
connected
Air pressure failure during Control the compressed air supply
Autotune
Air supply of the actuator/ Not possible, unit defective
Top Control not secure
Exhaust air of the positio- Not possible, unit defective
ner not secure
Causes of error
No supply pressure connected
No change in process variable
Current reference point of valve
stroke was not reached because
• supply pressure failure occurred
during
• no was executed
Possible cause
Close tight function (
is involuntary active
Remedy
Not possible, unit defective
Remedy
Connect supply pressure
Check process, if necessary switch on pump or
open the shut-off valve
• Check supply pressure
• Execute
Remedy
) Disactivate the close tight function
(see 8.7.4)
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