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Fault localization and repair.
Fault localization
If the Weighingblock is “dead”.
1. Check the battery. Use only a 9 V alkaline battery.
If the Force Meter starts but the display shows wrong.
1.
Calibrate the Force Meter.
2.
If it not works.
3.
The Force Meter must be demounted.
Demounting.
1.
Demount the Weighingblock carefully.
2.
Check the inside visually. Look for bad cables and connections.
3.
If needed, clean the PC-board.
If the Force Meter shows F1
1.
Probably has the Calibration Switch been changed to calibration mode?
2.
Reset to normal mode.
3.
Press
OFF
and
ON
.
Check the Loadcell
1.
Check the Loadcell with a universal volt instrument, see encl table. The pin close to the corner is number 1.
Pin
Description
1
Out +5VDC
2
In +
3
Out 0 VDC
4
In -
If some parameters by mistake has been changed.
1. If only the first,F1, has been changed. Set back to right value in accordance to the table.
2. If many parameters has been changed. Check all parameter values. Probably it is necessary to calibrate
the Weighingblock.
Check the excitation voltage, it should be aprox 5 VDC.
The output from the Loadcell (pin 2 and 4) will increase from
aprox. 0 to 10 mV for the capacity range.
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Tel +46 176 208 920
info@vetek.
com
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com
