PN 177196BB
8-17
SYSTEM DIAGNOSTICS AND MAINTENANCE
BASIC TROUBLESHOOTING TECHNIQUES
8
2. Once you recognize a problem, you need to locate and correct the problem. The Three
Steps to More Efficient Troubleshooting that follows provides a good guide.
Troubleshooting through Cycle Observation
1. To successfully troubleshoot this instrument, you must:
a. Become completely familiar with normal sample flow.
b. Know what should be happening during each part of the cycle.
c. Be familiar with the normal sounds of operation.
2. This type of knowledge is gained mostly through experience.
3. To increase your familiarity and your comfort level with the normal sample flow of this
instrument, periodically review the Cycle Description in this Training Guide.
4. The Key Operator should know normal sample flow well enough to verbally describe the
normal operation sequence without the aid of a document.
Troubleshooting by Instrument Subsystems
1. You can divide the instrument into three instrument subsystems:
a. Electronic
b. Reagent
c. Fluidic
1) Pneumatics (pressures and vacuums)
2) Hydraulics (liquids)
2. As you try to logically determine the source of a problem, consider the following hints
about each subsystem. Many of these hints refer to knowledge you have already gained
from other topics but may not have considered its application to problem solving.
Three Steps to More Efficient Troubleshooting
1 Be completely familiar with normal operation.
a. Start Up, Sample Analysis, Shut Down
b. Normal Sample Flow
1) Know what should be happening during each part of the cycle.
2) Become familiar with the normal sounds of operation
2 Use a logical approach to obtain a clear symptom and isolate the components involved
a. Use the error message information as a starting point
b. Use your knowledge of sample flow
c. Use your knowledge of each subsystem
3 Acquire the knowledge and skills necessary to locate and correct problems.
a. Use the instrument
b. Read the manuals and become familiar with the kind of information they contain
c. Call your Beckman Coulter Representative
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