Troubleshooting
169
Forepump Related
Problem
Probable Cause
Solution
Pump does not start.
Forepump switched off.
Switch on the pump.
Blown fuse.
Call a PerkinElmer service
engineer.
Electrical supply voltage
does not match that of the
pump motor.
Determine the correct voltages,
and correct. Check the voltage
switch at the pump.
The outlet filter is
blocked.
Find and unblock.
Pump has failed to reach
vacuum.
Pressure measurement or
gauge head gives an
incorrect indication of
pressure.
A contaminated Pirani gauge can
indicate a pressure several times
higher than the actual. Replace if
necessary.
Pump contains the wrong
type of oil.
Drain and refill with the correct
oil - Edwards Ultragrade 19 Oil.
Consult your Edwards Pump
instruction manual.
Mode selector and/or gas
ballast control are
incorrectly set.
Check and set to correct position.
High oil level.
Drain to the high oil level mark.
Low oil level.
Check and fill to correct level.
Summary of Contents for Clarus SQ 8 MS Series
Page 1: ...CLARUS SQ 8 MS Hardware Guide GAS CHROMATOGRAPHY ...
Page 2: ......
Page 3: ...Clarus SQ 8 MS Hardware Guide ...
Page 8: ......
Page 9: ...Warnings and Safety Information 1 ...
Page 10: ......
Page 18: ...Label Location and Content Figure 1 Front View of Clarus SQ 8 T ...
Page 46: ......
Page 47: ...Introduction 2 ...
Page 48: ......
Page 52: ......
Page 53: ...About the Clarus GC MS System 3 ...
Page 54: ......
Page 64: ......
Page 67: ...Maintenance 65 Maintenance 4 ...
Page 68: ......
Page 69: ...Maintenance 67 ...
Page 98: ...Clarus SQ 8 MS Hardware Guide 96 Figure 19 Inserting the Plug Handle and Sight ...
Page 148: ...Troubleshooting 5 ...
Page 149: ...Troubleshooting 147 ...
Page 178: ...TurboMass Software Installation 176 ...
Page 179: ...Index ...
Page 180: ......
Page 183: ......