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Troubleshooting
Introduction
Table 4.1 Troubleshooting
Problem
Rotor fails to stop
Rotor stops too fast
Oil visibly collecting in
instrument
Pressure at instrument will
no longer read 30 psig
Run light fails to come on
Rotor crashes
Circuit breaker trips
repeatedly
a. If the problem persists
contact
4-2
a
(continued)
Possible Cause
Brake pin shaft oily
Levitation air flow too high
Brake spring tension too low
Levitation air flow too low
Time-delay period too short
Stator pad worn or damaged
Brake pin shaft oily
Brake malfunction
Filter element saturated
Filter element saturated
Light burned out
Circuit breaker tripped
Time delay faulty
Stator pad worn
Missing rotor lid or cap
Various
CAUTION
Repeated tripping of the circuit breaker may cause instrument damage.
us..
Recommended Action
Clean the pin and shaft.
Adjust levitation air.
Adjust the brake spring tension.
Adjust levitation air.
Check the time-delay setting.
Replace the stator pad.
Clean the stator assembly and shaft.
Adjust brake spring tension and levitation air.
Replace the filter element.
Replace the filter element.
Replace the lamp.
Reset the circuit breaker.
Call Beckman Coulter Field Service.
Order Repair Kit 1.
Refer to the applicable rotor manual.
contact
us.
AF-IM-13AC
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