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Troubleshooting
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GA10218_002_C0 - 10/2016 - © Leybold GmbH
5 Troubleshooting
T
he PHOENIX L300i is equipped with comprehensive self-diagnostic facilities. If an
error or warning condition is detected it is indicated via the LC display to the opera-
tor.
An audio signal is generated when an error or warning occurs. The frequency
changes every 400 ms from 500 Hz to 1200 Hz and vice versa so that the signal
stands out well from ambient noises normally encountered.
Error and warning messages are logged and can also be displayed at a later time
through the menu information (Please refer to Chapter
.)
5.1 Hints for Troubleshooting
Warnings will be indicated
- when the PHOENIX L300i detects an abnormal condition or
- when it wants to remind the operator of something (e.g. a request for calibration
or a service timer has expired).
The PHOENIX L300i will indicate a message on the LC display and will remain in
the standby or the measurement mode.
Warning messages will remain on the LC display until the warning has been
acknowledged by pressing „OK“ (Key no. 8). After that the PHOENIX L300i can be
used again (possibly with some restrictions). As long as a warning status exists the
status line shows a warning triangle.
Errors are events which force the PHOENIX L300i to interrupt its measurement
operations. In this case the PHOENIX L300i closes all valves except valve 2a
(standby mode).
Error messages remain on the LC display until the message has been
acknowledged by pressing „Restart“ (key no. 8). After that, the PHOENIX L300i
restarts with a new run-up procedure. In some cases it may be helpful to check
some settings or measured values before the PHOENIX L300i restarts. Therefore it
is also possible to press „Menu“ (key no. 4 or Menu key) to enter the PHOENIX
L300i menu. After leaving the menu the same error message will be displayed
again.
Under extreme conditions (unknown software errors, excessively high
electromagnetic interference levels) the built-in „watchdog“ circuit will prevent
uncontrolled operation of the PHOENIX L300i. This watchdog will cause the PHO-
ENIX L300i to restart. After having done so, the instrument will be running in the
standby mode. No error message will be output.
5.2 List of Errors & Warnings
The following pages contain a list of all errors and warnings displayed at the control
panel. Warning messages are indicated by numbers with a leading W. Error
messages are indicated by numbers with a leading E.
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