Metrologic Instruments stratoss ms2220 User Manual

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58 
T
ROUBLESHOOTING 
 
 
The following guide is for reference purposes only.  Contact a Metrologic representative at 1-800-ID-METRO or 1-800-436-
3876 to preserve the limited warranty terms. 
 
Symptom 
Possible Cause(s) 
Solution 
All Interfaces 
No LEDs, beep or motor 
spin. 
No power is being supplied to 
the scanner. 
Check the transformer, outlet and the power strip.  Make sure 
the power cable is plugged into the scanner. 
No LEDs, and no beep. 
No power is being supplied to 
the scanner. 
The host system cannot supply enough current to power the 
MS2220 series scanner.  Use the power supply included with 
the scanner. 
During power up the unit 
beeps 3 times. 
A Non-volatile RAM failure. 
Contact a Metrologic service representative, if the unit will not 
hold the configuration. 
During power up the unit 
razzes continuously. 
A RAM or ROM failure. 
Contact a Metrologic service representative, if the unit will not 
function. 
During power up the unit 
razzes once and the blue 
LED flashes. 
A VLD failure. 
Contact a Metrologic service representative. 
During power up the unit 
razzes twice and both 
LEDs flash. 
Scanner motor failure. 
Contact a Metrologic service representative. 
There are  
multiple scans upon 
presentation of code. 
The same symbol timeout is 
set to short. 
Adjust same symbol timeout for a longer time. 
The beeper is disabled. 
Enable the beeper. 
No volume is selected. 
Select a volume. 
The unit powers up but 
does not beep. 
 
No tone is selected. 
Select a tone. 
The unit is trying to scan a 
particular symbology that is 
not enabled. 
UPC/EAN and Code 128 are enabled by default.  Verify that 
the type of bar code being read has been selected. 
The unit powers up but 
does not scan and/or 
beep. 
The unit has been configured 
for a character length lock or 
a minimum length and the bar 
code being scanned does not 
satisfy the configured criteria. 
Verify that the bar code that is being scanned falls into the 
criteria. 
 
Typical of Non-UPC/EAN codes.  The scanner defaults to a 
minimum of 4 character bar code.