Troubleshooting - Symbol P370 Keyless Reference Manual

P370/P470 Keyless RF Scanners Product Reference Guide

Troubleshooting

Refer to Appendix C, Error Indications and Beeps
information.
Problem
Scanner won't power
up.
LED on base is always
on.
Nothing happens when
you follow the
operating instructions,
or the scanner displays
erratic behavior (laser
does not come on,
scanner emits frequent
beeps).
No laser beam when
trigger is pressed.
Laser comes on but the
symbol does not
decode.
Symbol decodes but
data is not transmitted
to the host.
3-2
Table 3-1. Troubleshooting Table
Possible Causes
Battery not charged.
Battery not installed
properly.
Base is locked up
No power to the
scanner.
Interface/power cables
are loose.
Failed to download
firmware.
Scanner is locked up.
Scanner is not
programmed for the
correct bar code type.
Bar code symbol is
unreadable.
Distance between
scanner and bar code
is incorrect.
Scanner is not
programmed for the
correct host type.
for additional troubleshooting
Possible Solutions
Charge or replace the battery in the scanner
Ensure the battery is installed properly. See
Changing the Battery on page 1-12.
Cycle power (power off then on) to the base.
Check the system power. Ensure the power
supply is connected, if your configuration
requires a power supply.
Check for loose cable connections at the cradle,
AC power supply, or host device.
Reset the scanner (remove and reinsert the
battery, see Changing the Battery on page 1-12)
and try scanning again.
Reset the scanner (remove and reinsert the
battery, see Changing the Battery on page 1-12)
and try scanning again.
Ensure the scanner is programmed to read the
type of barcode you are scanning.
Check the symbol to ensure it is not defaced. Try
scanning test symbols of the same bar code type.
Move the scanner closer to or further away from
the bar code.
Scan the appropriate host type bar code.