Faults At End Of Autocalibration - Alcatel ASM 180 TD User Manual

S
YMPTOM
Electrical zero
check failed
(filament off): red
autocal indicator
light on
Autocal failed
(filament on):
red autocal
filament on
Alcatel Vacuum Technology France - ASM 180 TD/TD+ - ASM 181 TD+ User's Manual

Faults at end of autocalibration

Note: if a printer or a micro-computer is connected to the
RS232 interface (configured in printer mode), a default ticket
is emitted which provides diagnostic assistance ( see B 30 ).
C
Preamplifier
Helium signal displayed on the
FL ramp too high
AUTOCAL
Autocalibration system
configuration
• Incorrect position of switch
S1 and status of indicator
AUTOCAL
light CR1
• Incorrect thumbwheel values
• Temperature sensor
disconnected
Sensitivity fault
• Long autocal cycle
• Spectro filament current red
during autocal cycle
see page 2/2
AUSE
Contact customer service
Contact customer service
NO
Correct the faults inside the
detector
( see E 40 )
NO
• Check the consistency of
the display with an external
calibrated leak. If the
calibration is accurate
enough it may be possible
to continue using the
detector if necessary.
NO
• Perform maintenance on
the cell ( see E 10 ) .
D 90
R
EMEDY
1/2