No inlet vent (inlet vent ON
requested)
No inlet
pressure
drop at start
of
a cycle
Impossible
to reach the selected
mode
No test chamber opening at the
cycle
end
Mode: pass/fail
No test chamber opening at the
cycle
end
Mode: asm
« ! « or « i « appears at the end
of line 1 on the LCD
Helium signal digital display
flashing
Vent valve coil – Check valve V
A
1
connections and coil status
Change supervisor board P0302
Inlet gauge head disconnected
Hard vacuum test cycle
unauthorized
(a sound is
emitted
when the cycle
control key is pressed)
Fuse
on the P0318 board
defective
(only 182/192 series)
Roughing valve VR1
defective
Head gauge disconnected
Leak detector
configuration (Inlet
pressure
compatible
with desired
test
mode)
Internal
leak
Primary
pump
Molecular or
turbomolecular pump
Fuse
on the P0318 board
defective
(only 182/192 series)
Detection valve
defective
Part good, green light
on
Cycle and memo functions not
active
Part good, green light
on
Fault or
information
display
activated
Fault display activated (Er
alternately
displayed with helium signal)
n Change valve VA1
if faulty:
-
Minisol/bacosol
- VAT: change valve
if faulty
n Exchange P0302
n Secure proper inlet pirani
gauge
head
connection
n Check leak detector status:
example: check that
SNIFFING
test
is not selected
n Replace the fuse
n Change the coil or the valve
n Check selected test
mode
consistency
n Check the tightness of
the
valves,seals...
n Check primary pump limit pressure
Repair
if
necessary
If
RVP,
change the
oil
n Check the pump is
rotating
n Replace the fuse
n Change the coil or the valve
n Check and set inlet vent
parameters
n Set
functions
n Check and set inlet vent
parameters
n
Press NEXT
to display the clear
message
n
Press NEXT
to display the clear
message
E
530/E
531
E
230
-
C
210
-
C
500
C
550/C
530
C
500
C
580
C
580
Sniffer probe clogged
LDS
probe
filter
clogged (message
disappears when the
filter
is
removed)
Sniffer probe clogged set
point
adjustment
too high (leak
detector
autocalibrated)
n Change
LDS
probe
filter
n Check sniffer probe clogged set
point
value
Adjust
it
20 % of the
ambient
helium
signal
G 400
2/6
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