Display remains on
 all “999999” after
display test 
Weighing platform
outside of zero range

Solution
1). Check that nothing is on or obstructing weighing platform.
2). Enter service mode and recalibrate scale.
3). Possible faulty loadcell/connection or faulty main board.

Error 01
Corrupt data has been detected in the nvram

Solution   Press the "Enter" key and follow the normal instructions to
                enter the service mode. Recalibrate the Micro 4000 and set-up
                the spec settings.

Error 02
Unable to calibrate the zero dead load as the dead load is to heavy

Solution
1). Check load cell.
2). Remove excessive weight from weighing platform.
 

Error 03 
No internal count.

Solution
1). Check load cell.
2). Check load  cell connections.

Error 04 
An attempt is being made to calibrate the span backwards.

Solution   Reverse load cell connections.

Error 05
Keyboard has a key stuck down.

Solution   Change membrane keypad.

Error 06
Printer offline.

Solution
1). Check printer is connected to Micro 4000.
2). Check that DTR of printer is connected to CTS of Micro 4000

Error 07
Communications error

Solution  Check Baud rate and communication settings.