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Chapter 7: Troubleshooting
7. Troubleshooting
7.1 Problems/Solutions
Malfunction
Failure to turn on/off
ON and OFF disorder
Inaccurate measurement
Error display
ON and OFF failure
7.2 Contacting Black Box
If you determine that your Quad Laser Source is malfunctioning, do not attempt
to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box
Technical Support at 724-746-5500 or info@blackbox.com.
Before you do, make a record of the history of the problem. We will be able to
provide more efficient and accurate assistance if you have a complete description,
including:
• the nature and duration of the problem.
• when the problem occurs.
Page 20
Table 7-1. Troubleshooting.
Possible Cause
No power input
Battery exhausted
Reverse-installed battery
Low battery
Contaminated connector
Connected or unfitted
Humid environment
Magnetic field
environment
Metal dust environment
Keypad short circuit
724-746-5500 | blackbox.com
Recommended Solution
Plug in battery or AC
Charge battery
Re-install battery
Still doesn't work
Charge battery or use AC
power supply
Swab the dust using a thin
cotton swab saturated with
alcohol
Re-install the connector
Try later when it is not too
humid
Stay far away from a
magnetic field
May cause damage on
mainboard
Replace keypad
Remarks
DIY
DIY
DIY
Return
DIY
DIY
DIY
DIY
DIY
Return
Return
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