Metrologic MS7600, Service Manual

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7-10
7.4 MS7320 Series Troubleshooting Guide
TABLE 2 - TROUBLESHOOTING CHART
SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
No LEDs, beep or motor
spin.
No power is being supplied to the
scanner
Check transformer, outlet and power strip. Make
sure the cable is plugged into the scanner
No LEDs, beep.
No power is being supplied to the
scanner from host
Some host systems cannot supply enough current
to power MS7600. Use the power supply included
with the scanner.
3 beeps on power up.
Non-volatile RAM failure
Contact a Metrologic Representative, if the unit
will not hold the programmed configuration
Continuous razz tone on
power up.
RAM or ROM failure
Contact a Metrologic Representative, if the unit
will not function
Razz tone and green LED
flash at power up. VLD failure
Contact a Metrologic Representative
Razz tone and both LEDs
flash at power up. Scanner motor failure
Contact a Metrologic
Representative
There are multiple scans
upon presentation of a bar
code.
Same symbol timeout set too
short
Adjust same symbol timeout for a longer time
The unit powers up, but
does not beep
Beeper disabled. No volume is
selected. No tone selected
Enable beeper. Select volume. Select tone