7821 User Instructions 27
7 Error Codes and Troubleshooting
Any system errors detected by the scale will be displayed as the letter E followed by a
two-digit error code. Press the UNITS key to continue operation. If a calibration error
occurs, the only way to clear it is by recalibrating the scale.
The error codes are broken down into two hexadecimal numbers, with each bit defining
a single error condition. The error codes are defined as follows:
842 1
Calibration error (E-01
ROM error (E-02)
RAM error (E-04)
Serial EE (E-08)
PROM error
Least Significant Digit
842 1
Reserved for
Future Use
Most Significant Digit
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