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Chadwick-Helmuth Vibrex 2000 User Manual

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152 Chadwick-Helmuth Company, Inc.
Chapter 6 - Maintenance
Problem: EPROM Checksum Error
EPROM chip loose
(13590-2 only)
Remove the shield (see Section 6.3.7.2
“Disassembly” on page 143) and check the
EPROM (the large socketed chip) for
looseness, position, and/or damage. The main
PCB may have to be removed for closer
inspection.
EPROM failure Replace the EPROM or return it to the factory
for repair.
Conductive debris
loose in unit
Internally inspect the unit for loose debris, for
example, a screw.
Problem: Memory Bad Error
Internal short circuit Inspect the unit for loose internal debris.
Problem: Unit Not Retaining Memory/Date/Time
Memory retention
capacitor failing
Return the unit to the factory for repair.
Problem: No Vibration Signal
Wrong channel
selected
Check to make sure the sensor cable is
connected to the correct channel.
Cable damaged Inspect the cable for damage, short circuits,
bent pins, and/or opens.
Connector damaged Inspect connectors for damage and/or bent
pins.
Internal connections
loose or damaged
Remove the connector end plate (see
Section 6.3.7.2 “Disassembly” on page 143).
Inspect the unit for loose connectors, pinched
and/or broken wires.
Possible Cause Corrective Action (Continued)

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Chadwick-Helmuth Vibrex 2000 Specifications

General IconGeneral
BrandChadwick-Helmuth
ModelVibrex 2000
CategoryMeasuring Instruments
LanguageEnglish

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