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Rev. May 2001 GraviMaster-FGB-M05 (S) Page 42
Gravimetric Blender
ALARMS
Alarm-message Description Action to cancel alarm
Press enter Alarm already cancelled Press enter
Operator must confi rm
No control voltage No 24V control voltage present Turn on the main-switch
or check fuses
Covers open Security cover not present or mixerchamber Place security-cover /
removed mixer-chamber
Production weight producedWeight equals produktionweight Reset the
reached producedWeight
No weighbin or Zero weight of the weighbin is greater then Loadcell must be
calibrate ‘maximumTareVariation’ calibrated or a tare
procedure must be done.
Parameters corrupted The controller can’t read his parameters Check the parameters
*)
correctly. All parameters will be fi lled with
standard values.
Data corrupted The controller can’t read the productiondata Confi rm
*)
(production-screen). The data will be cleared.
Hopper low The hoppersensor (optional) indicates that a Fill hopper with material
hopper runs out of material.
Hopper empty No material is dispensed so the controller
Fill hopper with material and
indicates that a hopper must be empty.
press the start-button.
***)
Loadcell not calibrated The controller can’t read the loadcell Calibrate the weighbin
parameters correctly.
Loadcell overload Weight of the weighbin is greater than the Remove material out of
loadcellOverload parameter. the weigbin.
Check in recipe the
Loadcell not stable Weightsignal from the loadcell doesn’t fi t Press enter
*) **)
the band.
Loadcell need Controller needs more samples to generate a Press enter
*)
more samples stable weight.
Loadcell boundary error
To much weight-samples doesn’t fi t the band. Press enter
*)
Silo high Silo supply hopper is full for several batches. Counter will
(High sensor is activated) automaticaly cleared.
Regrind process par Given hoppernumbers doesn’t contain regrind Check the regrind
confl ict or percentage control parameters
Additive regrind par Given hoppernumber doesn’t contain additive Check the
confl ict AdditiveToRegind
parameters