7800 Family User Instructions
35
7.1
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
TEST
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:
7.1 Troubleshooting
Perform the following steps in the order presented until the described problem is
corrected. If the problem cannot be corrected, contact your Avery Weigh-Tronix service
provider.
No Power (Display is Blank)
1.
Check that the primary side of the cord is plugged into the AC outlet, and the
secondary side is properly connected to the power jack on the back of the scale.
2.
Replace the power supply.
3.
Replace the display board.
4.
Replace the main board.
Missing or extra segments on display
1.
Replace the display board.
2.
Replace the main board.
8
8
4
4
2
2
1
1
Reserved for
Future Use
Calibration error (E-01
ROM error (E-02)
RAM error (E-04)
Not used
Most Significant Digit
Least Significant Digit
