Autocal. failure: peak adjust error Peak fault:
internal
calibrated
leak
parameters
Incorrect
filament alignment
Peak fault: analyzer cell
incorrect
assembly
38
Autocal. failure:
emission
loss Problem of the
calibration valve
n Check that the
calibration
parameters are
correct
n Check and adjust
filament position
n Check the analyzer cell
n Check valve VC3
E
400
E
530
C
302
Unable to start an
autocalibration
Manual
calibration selected
Leak detector is in test mode
(remote
control
AUTOCAL
key
inactive)
n Select
automatic calibration
n The control panel
AUTOCAL
key
is only active to start an
external
calibration
For
internal autocalibration, stop
the test cycle
C
302
C
301
Unable to reach target value Incorrect
internal
calibrated
leak
parameters
Internal calibrated leak faulty (check
helium signal with an
external
calibrated
leak)
n Check and correct
internal
calibration
leak
parameters
n
Change/recalibrate
internal
calibrated
leak
C
305
E
560
Nothing happens when the
power is switched ON
No
display
appears on the
control panel
High helium background signal
(in stand-by mode)
High helium background signal
(in hard vacuum test mode)
Power fuse
burnt
Control panel disconnected
from
supervisor
board
Power supply board
trouble
Control panel
trouble
Rotary vane pump
pollution
(if RVP)
Leak inside the leak
detector
Analyzer cell
contamination
Ambient
air helium
contamination
(background OK when
leak
detector placed in another
room
or
environment,
free of
helium
contamination)
Tested piece degassing
(background
OK in test mode when leak
detector
inlet port blanked
off)
n Change fuse and check
power
voltage
n Secure proper control
panel
connection.
n Change fuse of the power supply
board
n Change control panel
board
n Open air
ballast
Change the
oil
n Helium leak: check the valves
n Clean and
recondition
the cell
n Clean the ambient
air
n Clean the
part/installation being
testing. Eliminate the source
of
degassing or
contamination
-
-
E
750
-
E
400
-
-
45
Helium signal unstable Analyzer cell
connections
Contamination
of the rotary vane
pump oil (helium
“peaks”
at
regular
intervals) (if RVP)
n Check that the external
analyzer
cell connections are correct and
the
internal
analyzer cell
connections
properly
fastened
n Change the
oil
-
E
750
4/6
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