Troubleshooting Guide (continued)

Symptoms

Possible Causes

Solution

The unit powers

Beeper disabled. No tone

 

up, but does not

Enable beeper. Select tone

selected

scan/or beep

 

 

 

 

 

 

 

 

 

 

 

UPC/EAN, Code 39, interleaved 2 of

The unit powers

Scanning a particular

5, Code 93, Code 128 and Codabar

up, but does not

symbology that is not

are enabled by default. Verify that

scan and/or beep

enabled

the type of bar code being read has

 

 

been selected

 

 

 

 

 

 

 

The scanner has been

 

 

programmed for a

Verify that the bar code that is being

The unit powers

character length lock, or a

scanned falls into the criteria

up, but does not

minimum length and bar

(Typical of Non-UPC/EAN codes)

scan and/or beep

code being scanned does

The scanner defaults to a minimum

 

not satisfy the

of 3 character bar code

 

programmed criteria

 

 

 

 

 

 

 

The unit scans a

The scanner is configured

If the scanner is setup to support

bar code, but locks

ACK/NAK, RTS/CTS, XON/XOFF

to support some form of

up after the first

or D/E, verify that the host cable and

host handshaking but is

scan red LED

host are supporting the handshaking

not receiving the signal

stays on

properly

 

 

 

 

 

 

 

The unit scans, but

The scanner’s data format

Verify that the scanner’s data format

the data

matches that required by the host.

does not match the host

transmitted to the

Most sure that the scanner is

system requirements

host is incorrect

connected to the proper host port

 

 

 

 

25

Page 30
Image 30
Metrologic Instruments MS9500 manual Troubleshooting Guide, Symptoms Possible Causes Solution