Burkert 20014453, Быстрый старт

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19
Maintenance
Type 3281
LED is red
and flashes
or LED is lit
red
The residual ripple
of the supply
voltage is too high
Use power supply with
smooth output voltage at
the required power
After eliminating the error
to clear the red flashing
LED, restart the device (dis-
connect from power supply)
Temperature too
high
Observe the max. ambient
temperature/medium tem-
perature, reduce the duty
cycle if necessary (see
derating curve)
If the device temperature
drops below the set threshold
value after cooling, the error
is automatically deleted from
the device
Standard signal is
< 4 mA; cable break
Check cable for possible
loose connections
Position sensor fault Check the cable in the
device for possible loose
connections
Communication
failure büS/CANopen
Check cable for possible
loose connections
No flow rate The set-point value
is below the limit for
zero point shutdown
Increase set-point value
Valve opens,
although it
should close
Effective direction of
the set-point value
is set incorrectly
Change the effective
direction of the set-point
value
Engine is
humming
unusually
Gears or engine
blocked
Return device to the manu-
facturer for troubleshooting
Valve is not
tight
Dirt between seal
and valve seat
Install the strainer and
return the device to the
manufacturer for cleaning
english