Fault Finding - Flash Codes - Innovative Technology NV9 USB User Manual

NV9 USB Manual Set – Section 2
2.2

Fault Finding - Flash Codes

The NV9 USB Validator has inbuilt fault detection facilities. If there is a configuration
or other error the NV9 USB front bezel will flash in a particular sequence; a summary
of the Bezel Flash Codes for the NV9 USB is shown below:
Flashes
Long Short
0
1
3
4
Copyright © Innovative Technology Ltd 2012
Indicated Error
0
None
2
Note path jam
3
Unit not initialised
4
Internal sensor
unable to calibrate
1
Firmware checksum
error
2
Interface checksum
error or unable to
set programmed
interface
3
EEPROM checksum
error
4
Dataset checksum
error
1
Power supply too
low
2
Power supply too
high
Comments
Remove obstruction and
follow the cleaning
procedure in subsection 2.1
of this manual
Contact ITL technical
support
Ensure note path is firmly
closed, then cycle the
power to the unit. If the
problem persists contact ITL
technical support
Download new firmware
Check power supply
9
GA00550-2