Chapter 10: Troubleshooting
General
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10 Troubleshooting
General
WARNING
ONLY PERMIT QUALIFIED PERSONNEL
TO SERVICE THIS EQUIPMENT.
EXERCISE CARE WHEN MAKING
CHECKS, TESTS AND ADJUSTMENTS
THAT MUST BE MADE WITH POWER
ON. FAILING TO OBSERVE THESE
PRECAUTIONS CAN RESULT IN BODILY
HARM.
If operational difficulties are encountered, obtain as much information
about the problem as possible. Is the problem constant or intermittent?
Malfunctions can be caused by mechanical or electrical influences so be
patient and use sound logic when troubleshooting. When troubleshooting
a 2158, 2160, or 2162 Vertex scale, examine the physical location of the
scale, checking for the presence of the following: water, corrosive
materials, unlevel floors, high vibrations, or air currents, physical
damage to the scale platform or frame. Also check the instrument cable
for damage and all connections for any loose/incorrect wiring.
CAUTION
BEFORE CONNECTING/DISCONNECTING ANY INTERNAL
ELECTRONIC COMPONENTS OR INTERCONNECTING
WIRING BETWEEN ELECTRONIC EQUIPMENT ALWAYS
REMOVE POWER AND WAIT AT LEAST THIRTY (30)
SECONDS BEFORE ANY CONNECTIONS OR
DISCONNECTIONS ARE MADE. FAILURE TO OBSERVE
THESE PRECAUTIONS COULD RESULT IN DAMAGE TO
OR DESTRUCTION OF THE EQUIPMENT OR BODILY
HARM.
Isolate the Problem
First, determine if the problem is in the scale platform or the digital
indicator. After removing power from the system, disconnect the digital
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