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Thermo Scientific
Troubleshooting
Warning Service should be performed by a qualified technician. Before replacing
any electrical or mechanical components, unplug the line cord. If electrical
power is required for service, use extreme care.
Refer to Problems and Solutions for troubleshooting information on the baths.
This guide provides the basic information required to repair the bath.
The following is a list of the tools and instruments required to perform the
procedures outlined in the Troubleshooting Procedures table.
Tools Needed:
• Phillips or Flat Blade Screwdriver
• 7/16" Socket or Adjustable Wrench
• Ohmmeter
• DC Voltmeter
• AC Voltmeter
• 5V DC Power Supply
When changing circuit boards, use CAUTION when re-installing the flat cable
connectors that come from the display board. Make sure the pins are NOT bent
or broken. Boards that are fine will not operate correctly if these pins have been
abused because they will not receive the necessary signals from other boards.
Before attempting any troubleshooting for a particular problem, it is good
practice to verify power supply voltages of the POWER SUPPLY board
#3176677. Read these steps before performing them to become familiar with the
procedure.
10
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Reciprocal Shaking Water Baths
10-1
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