16
Service Manual Signum 
Working with the Service Mode
–  Press the ) key.  A blinking cursor is displayed. 
–  Using the k key, select 2 and press the ) key to confirm. When the cursor 
jumps to the second field, enter the next number. Follow these steps to enter 
the service code 202122.
Important note: 
If you enter a number incorrectly, use the ( key to select the field 
you wish to change.  Next, press the ) key repeatedly until the cursor 
scrolls to the 6
th
 place (line 2 blinks).
–   Once you have entered the last number, press the ) and ( keys (in this 
order) to activate the service mode.
  An „S“ in the upper right-hand corner indicates that the service mode is active.
If you wish to exit the service code entry mode, continue pressing the ( key until 
CODE reappears on the display.
Please note: The only way to deactivate the service mode is to switch the scale 
off and then on again.
Important note:  Once service code 202122 has been input, any customer codes that have already 
been entered can only be viewed.  You can delete or change a customer code 
only after entering the general access code 40414243.
disp_202122_d.eps
disp_blin_d.eps
disp_code_s_d.eps
!