Troubleshooting Guide
Error codes are shown on the main display for 2 seconds.  The program then returns 
automatically to the previous mode (e.g., weighing).
Display Cause Solution
No segments appear No AC power is available Check the AC power supply
on the display
The power supply is not  Plug in the power supply
plugged in
h The load exceeds the balance  Unload the balance
capacity
l or Err 54 Something is touching Move the object that is 
the weighing pan touching the weighing pan
CPA2P-F model:  To calibrate/adjust, position either
calibration/adjustment not  the standard pan (8 g) or the 
possible without cover filter pan (5 g) along with the 
cover (3 g)
err 01 Display overrun (data output  Change the configuration in
incompatible with output format the operating menu
err 02 Calibration parameter Calibrate only when zero
not met; e.g.: is displayed
– balance not zeroed – Press (TARE) to zero the balance
– load on weighing pan – Unload the balance
err 10 The tare keys are blocked Press (CF) to clear the tare 
when there is data in the memory and release the tare keys 
second tare memory (net-
total); only 1 tare function
can be used at a time
err 11 Tare memory not allowed Press (TARE) 
err 22 Weight is too light or,  Increase the weight on the 
when using an application  balance
program, there is no sample 
on the balance
err 30 Interface port for printer  Reset the menu factory settings, 
output is blocked or
Contact your local Sartorius 
Service Center
err 235 Connecting cable not  Plug in the cable correctly
on CPA26P,  correctly plugged in
CPA225D  Electronics unit of  Connect the units that belong 
a different balance used  to one another
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