DeWalt DW089 Instruction Manual page 42

Detector Service
Except for batteries, there are no user serviceable parts in the Digital
Laser Detector. Do not disassemble the unit. Unauthorized tampering
with the laser detector will void all warranties.
Detector Troubleshooting
THE DETECTOR WILL NOT TURN ON
• Press and release the power button.
• Check to see that the battery is in place and in the proper
position.
• If the detector is very cold, allow it to warm up in a heated area.
• Replace the 9-volt battery. Turn the unit on.
• If the detector still does not turn on, take the detector to a
D WALT service center.
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THE DETECTOR'S SPEAKER MAKES NO SOUND
• Ensure that the detector is on.
• Press the volume button. It will toggle on and off.
• Ensure that the laser is turned on and that it is emitting a laser
beam.
• If the detector is still not making any sound, take it to a D
service center.
THE DETECTOR DOES NOT RESPOND TO THE BEAM FROM
ANOTHER LASER UNIT
• The D WALT Digital Laser Detector has been designed to
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work only with the DW088 and the DW089 and certain other
compatible line lasers.
THE DETECTOR GIVES OFF A TONE BUT THE LCD DISPLAY
WINDOW DOES NOT FUNCTION
• If the detector is very cold, allow it to warm up in a heated area.
• If the LCD display window is still not functioning, take the detector
to a D WALT service center.
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BRIGHT LIGHT SHINING ON DETECTOR CAUSES
CONTINUOUS "ON-GRADE" SIGNAL
• In the presence of very intense ambient light, the detector may
give a false or erratic indication of level.
• Reposition the detector out of the intense light or shade the
sensor window (U) to resume normal operation.
Optional Accessories
Using the Laser with Accessories
(fi g. 1 inset)
The laser is equipped with a 1/4" x 20 female thread (I) on the bottom
of the unit. This thread is to accommodate current or future D
accessories. Only use D
product. Follow the directions included with the accessory.
Consult your dealer for further information on the appropriate
accessories.
These are:
• DE0734 D WALT grade rod
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• DE0737 D WALT grade rod
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WALT • DE0881 D WALT tripod
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• DE0882 D WALT laser pole
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• DE0892 D WALT detector
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Consult your dealer for further information on the appropriate
accessories.
Repairs
To assure product SAFETY and RELIABILITY, repairs, maintenance
and adjustment (including brush inspection and replacement) should
be performed by authorized service centers or other qualified service
personnel, always using identical replacement parts.
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WALT accessories specified for use with this
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WALT
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