bürkert 892 Serie Bedienungsanleitung Seite 32

6.6. error messages
6.6.1. error messages while the X.TUNE function is running
Display
ERR 1:
No pilot air
ERR 2:
Pilot air failed during
X.TUNE
ERR 3:
Control system
deaeration side leaking
ERR 4:
Control system aeration
side leaking
Table 5: Error messages for X.TUNE
6.6.2. error messages while the PQ.LIN function is running
Display
ERR 1:
No pilot air or no
change to process
variable
ERR 2:
Current node (valve
stroke) was not reached
Table 6: Error messages for PQ.LIN
32
Cause of fault
No pilot air connected
Pilot air failure while the X.TUNE function was
running
Actuator or control system deaeration side
leaking
Control system aeration side leaking
Cause of fault
No compressed air connected
No change to process variable
Current node of the valve stroke was not
reached, as
• Pilot air failed during P.Q'LIN
• X.TUNE was not run.
English
Software Tool - 8x92 / 8x93
Operationandfunction
remedial action
Connect pilot air
Check pilot air supply
Not possible, device defective
Not possible, device defective
remedial action
Connect compressed air
Check process and, if required,
switch on pump or open the shut-
off valve.
Check pilot air
Run X.TUNE
Check process sensor