Chapter 14 Troubleshooting - Denso AT27Q-SB User Manual

Chapter 14 Troubleshooting

Problem 1: Low reading efficiency.
Probable cause

A target code is not within the scan range of the
reading window.

The code may be smeared.

The code may be blurred.
Problem 2: Cannot read 2D codes or bar codes.
Probable cause

The type of the code to be scanned has not been
set as a readable code.

The scanned bar code contains no check digit,
while the "Enable, with a check digit" parameter is
selected.

The check digit contained in the scanned bar code
is wrong.
Problem 3: Code data not displayed on the computer screen correctly.
Probable cause

The target Bluetooth
communication.

The target Bluetooth
from your scanner.

®
The Bluetooth wireless link with the target
®
Bluetooth device is not established.

The "Scanning w/ Bluetooth
broken" is selected.
Problem 4: Scanner's operation period too short even after recharge.
Probable cause

The scanner may not be placed in the charger
properly.
Problem 5: Bluetooth
Probable cause

The automatic disconnection may be enabled.
®
device is not ready for
®
device is located too far
®
wireless link
®
wireless link unexpectedly broken

Bring a code within the scan range.

Wipe off the dirt from the code.

Use a code clearly printed.

Enable the type of the code to be scanned as a readable
code.

Select the "Enable, without a check digit" parameter.

Use a correct bar code.

Refer to the user's manual of the target Bluetooth
device.

Bring the target Bluetooth
close to each other.

Establish the Bluetooth
®
Bluetooth device.

Cancel the setting.
(See Chapter 3.)

Place the scanner in the charger properly.
(See Section 9.1.)

Press the trigger switch to reestablish the Bluetooth
wireless link.

Change the timeout period for scanner to wait for a
connection request if necessary.
(See Section 8.1.)
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What to do:
What to do:
What to do:
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device and your scanner
®
wireless link with the target
What to do:
What to do:
®
®