30
Service Manual Signum 
Working with the Service Mode
–  Press the ) key.  After a brief pause, the Signum indicator returns to the 
weighing mode.
1-9-9      Clearing the Preload
Important note: 
Remove the cover on the back, left-hand side of the indicator housing 
and slide the menu access switch to the right (»free« setting, see page 19 
for more information).
–  Activate the service mode (see page 15).
–  Select the weighing platform »WP!«.
–  Press the ) key to access the number menu. 
–  Select menu »1-9 -9 « (Clear preload) by pressing the k ) key repeatedly 
and then pressing the ) key briefly to confirm.
–  Press and hold the ) key to store the selected menu and return the scale to 
the weighing mode.
–  Remove the preload weight from the scale.  A weight with a preceding „minus“ 
sign is displayed (e.g., -0.335kg).
0kg.eps
display_serv_01.eps
display_wps1_serv.eps
menu_199.eps
set_vor.eps