Troubleshooting
Errors, Causes and Remedies
VT400 Technical Manual, Rev. A5 60 Doc # UM-VT400-EN
9 Troubleshooting
The indicator has no serviceable parts. Authorized technicians may:
Respond to errors shown on the display (see section 9.1).
Check load cell connections (see section 9.2).
Check the power supply (see section 9.3).
Check the digital input and outputs (see section 9.4).
9.1 Errors, Causes and Remedies
When an error or an unexpected event occurs, the indicator displays the message Err
xx, where xx is the error code. The following table explains all the error codes and
suggests what to do when each error message is displayed.
Error code Possible cause Actions to be taken
Err 01 Faulty EPROM memory. Contact manufacturer.
Err 02 Faulty CMOS RAM. Contact manufacturer.
Err 04 Calibration data corrupted due to faulty
EEPROM.
Contact manufacturer.
Err 05 The scale is not connected properly, or the
analog-to-digital converter is faulty.
Check the scale, cable and connectors. If
these are okay, contact manufacturer.
Err 06 Insufficient power. Check the indicator’s power supply.
Err 07 Data memory is corrupted, either because
of extreme power supply transient or
because the totalizer has not been
cleared.
Input all operational data and clear
totalizer.
Err 15 The indicator has been powered on after
an irregular shutdown: A power failure or
a soft reset.
Press ZERO (
).
Err 20 The printer is not online because it is not
connected, not turned on, out of paper, or
for some other reason.
Make sure the printer is connected and
operational, and press PRINT (
) to
retry. If you can’t bring the printer online,
and you would like to use the indicator
anyway, press ZERO (
).
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