Filter
Top Products
8-2 Chapter 8: Troubleshooting
Scanner Troubleshooting Chart
Problem Status Indicator Tone Possible Cause Corrective Action
Scanner
does not
operate
Red Off
Green Off
Off No power Check outlet for proper
power
Scanner
does not
operate
Red Flashing
Green Flashing
Off Sleep mode Pass anything in front of
Motion Detector
Scanner
does not
operate
Red Flashing Off Communication
is IBM 468x and
scanner is off-
line
Host terminal
has sent a
“disable
scanner”
command
1.
Verify the IBM terminal
is off.
2.
Verify the IBM terminal
is recognizing the 7870.
3.
Verify the Interface
Cable is properly
connected.
Scanner
does not
read tags
Red On Off Internal failure 1.
Turn off circuit breaker
to the 7870 then turn
back on.
2.
If problem remains,
have the 7870 repaired.
Scanner
reads only
two tags
Red On Off 7870 is not
communicating
with host
terminal
1.
Check host terminal for
proper operation.
2.
Verify the Interface
Cable is properly
connected.