INSTRUCTION
HANDBOOK
11. Machine | 01201138 | 0107 | 72 | 11 |
operation | Notice | Date | Page |
Fault-finding, weighing equipment
Error message on display :
Weight, in kg : 999,0 or -999,9
Probable cause :
The weighing equipment is overloaded/ "underloaded", i.e. the load cells are sending a signal which is too high/low to the scale unit. Probable cause is one or more load cells faulty. The dead load selector may be on the wrong setting. The machine may be incorrectly installed.
Fault-fi nding procedure :
•Check that all connections to the machine are fl exible.
Fig. • Remove the side panel. Check that the
8dead load selector is set to 580-880 kg (machines 250-350-500) or 830-1130 kg (machine 650). If it is not, set it correctly and calibrate the weighing equipment according to "Calibrate the scale" under "Machine operation".
•If the weight displayed is
•Remove the side panels and check that the load cells are unobstructed. Remove any mechanical obstructions.
Fig. • Taking the load cell cables one at a time,
8disconnect the cable connecting each load cell to the scale unit. Continue one by one until a stable weight parameter is displayed (but not 999.9). When this sta- ble parameter is displayed you will know which of the load cells must be faulty.
8
Board connectors
Board connectors
Dead load selector
4804
