1 self-test, 5 troubleshooting, Troubleshooting – Eppendorf FemtoJet express User Manual

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79

5.1.1 Self-test

FUNC 6
The FemtoJet

®

is checked for leaks in the self-test.

This self-test can also be used if a leak is suspected.

The test runs automatically.

The pressure tube must be connected to a closed capillary
(e.g. melted closed or filled) for the pressure control to work
properly.

key: Complete self-test

–

In the case of two different pressures, checks for leaks
in the pressure accumulator (p

s

) and for the internal

tightness of the valves.

–

Checks for leaks in the area of working pressure (p

w

)

in the case of two different pressures.

–

Checks behavior during injection
at different pressures (short continuous test).

If certain values are outside the specified range, an error
message is emitted. If this recurs, inform Service.

key: Self-test to search for leaks

–

Checks for leaks in the pressure accumulator (p

s

) in the

case of two different pressures, as well as for inner
tightness of the valves.

–

Checks for leaks in the area of working pressure (p

w

) in

the case of two different pressures.

If certain values are outside the specified range, an error
message is emitted. If this recurs, inform Service.

FUNC 6
Self-Test
INJECT = Complete
CLEAN = Leak only

Turn pi to
select function

FUNC 6
Self-Test

Ps leak

_____

_____ hPa

Pw leak

_____

_____ hPa

Injection _____

_____

hPa

ps=7000

pw=

18 hPa

FUNC 6
Self-Test

Ps leak

_____

_____ hPa

Pw leak

_____

_____ hPa

ps=7000

pw=

18 hPa

5 Troubleshooting

Troubleshooting

5

05_Fehlersuche_en.fm Seite 79 Freitag, 29. Juni 2007 2:50 14

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