Troubleshooting
48
Problem
Possible Cause
Corrective Action
Compressor runs, but cold
head valve motor operation is
abnormal.
Wrong cold head cable.
Ensure correct cold head
cable is connected per “Install
the Cold Head Cable(s)”
procedure and visual
inspection.
Cold head problem.
Consult cold head manual.
Gradual loss of helium gas
pressure.
Gas is leaking from the
compressor.
Leak check the compressor
and repair.
Compressor runs but the
elapsed time meter does not
run.
Defective elapsed time meter
or motor contactor.
Consult a SCAI Service
Center.
AVOID INJURY.
The compressor’s elapsed time meter contains a lithium
battery. Do not remove the battery. Do not recharge, disassemble, mutilate, wet
or dispose of the meter in fire. Contact local environmental authorities for proper
disposal of the lithium battery.
Summary of Contents for F-20L
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Page 23: ...Specifications 19 Figure 2 F 20L Compressor Front View...
Page 24: ...Specifications 20 Figure 3 F 20L Compressor Dimensions Dimensions are in inches and mm...
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Page 53: ...Troubleshooting 49 Figure 19 F 20L Compressor Wiring Diagram...
Page 54: ...Troubleshooting 50 Figure 20 F 20L Compressor Wiring Schematic...