Burkert Type 8750 - Manual (Page 26)

I
NSTALLATION
24 - 8750
Maintenance
The FMR is to a large extent maintenance-free when used as intended.
If the exterior becomes soiled, FMR should be cleaned only with compatible cleaning agents.
In case of doubt, make a test of compatibility.
Error and malfunctions of the FMR
General error messages
(shown only with external setpoint SETP EXT and activated SIG ERR)
Display Cause of error Remedy
INT.ERROR Internal error not possible, device faulty
SP FAULT Signal error, setpoint check signal
Process controller
P1 FAULT Signal error, actual value P1 check signal
Flow Control System
P2 FAULT Signal error, actual value P2 check signal
Flow Control System
TMP FAULT Signal error, actual value, temperature check signal
Flow Control System
Error messages on execution of the function X.TUNE (AUTOTUNE)
Display Cause of error Remedy
X.ERR 1 No compressed air connected Connect compressed air
X.ERR 2 Compressed air failure during
AUTOTUNE Check compressed air supply
X.ERR 3 Exhaust side of actuator or positioning
system leaky not possible, device faulty
X.ERR 4 Pressurizing side of positioning system
leaky not possible, device faulty
X.ERR 6 The end positions for POS-MIN and
POS-MAX lie too close together Check whether the allocation of the end
positions to POS-MIN and POS-MAX via
function TUNE-POS is correct.
If incorrect: repeat execution of TUNE-
POS.
If correct: TUNE-POS with this allocation of
end positions is impossible, they lie too
close together.
X.ERR 7 False allocation of POS-MIN and POS-
MAX To determine POS-MIN and POS-MAX,
drive the actuator in each case in the
direction shown on the display.
Error message on execution of the function P.Q'LIN
Display Cause of error Remedy
Q.ERR 1 No pressure supply connected Connect pressure supply
No change in process variable Check process, if applicable, switch on
pump or open shut-off valve
Q.ERR 2 Current curve point of the valve stroke
not reached, since
• supply pressure failure during
P.Q ’LIN or • Check supply pressure
• no AUTOTUNE has been executed • Execute AUTOTUNE
ATTENTION! Make sure that the FMR does not come into contact with aggressive
media.