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Rev. May 2001 GraviMaster-FGB-M05 (S) Page 43
Gravimetric Blender
*) If this error occurs frequently contact your dealer
**) Other problems which initiate this error are:
- The weighbinDumpTime too short
- Weighbin valve touches the material when mixerchamber is full
When the second problem occurs the position of the mixerchamber-sensor must be set
lower. This actions affects the total production capacity of your system.
***) Through a too short dispense valve opening time, the machine could think that there is
no material in the hopper. There are three possible reasons for this.
-1 dispense accuracy is too narrow
-2 dispense speed is too high
-3 number of dispense attempts is too low solutions:
-1 increase dispense accuracy (§ 3.5.2)
-2 adjust speed in recipe (§ 3.2.2)
-3 increase number of attempts (§ 3.5.2)
An error message on the terminal must be confi rmed by pressing the <ENTER>-key. The
terminal stores all error messages these can be displayed by the menu (F1) ‘controller / alarm
history’. This screen shows the last 256 errors and the number of times the error occurred. The
error-list can de cleared by pressing (F2) option button and choose clear, with this button it is
also possible to print a report of alarms, select ‘print alarm history’ and push <ENTER>.