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

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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