Fault Messages - Agilent Technologies 6850 Series II User Information

Gas chromatograph
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SHUTDOWN 22
Possible causes:

Fault messages

FAULT 201
Possible cause:
FAULT 202
Possible causes:
FAULT 203
FAULT 204
FAULT 205
FAULT 206
FAULT 207
Possible cause:
Released: March 2004
Inlet heating slow
To clear the shutdown, turn the inlet zone On, then Off or change the
temperature.
Defective sensor
Defective heater
The inlet heater has been full on for over the allowed duration and the inlet is
not at setpoint. The inlet thermal zone is shut down and the instrument
becomes not ready.
Pneumatics control
Defective main board
The main board is not functioning properly. Pneumatics are shut down.
H
safety shutdown
2
To clear the fault, turn the GC off, then on.
Hydrogen supply gas pressure low/no gas
Leak in system (supply, inlet, detector, column)
Broken column
Defective inlet flow manifold
The GC did not reach the hydrogen pressure setpoint before the time limit
elapsed. Because hydrogen presents an explosion hazard, the entire GC has
shut down. The instrument beeps continuously; press Stop to silence it.
The oven is shut off with the flaps half open and the fan stays on for about
3 seconds. The column flow is turned off.
Signal DSP faulty
Sig DSP ROM error
Sig DSP RAM error
Sig DSP registers
Sig DSP data corrupt
Defective main board
The GC's signal processing electronics are not functioning correctly. This indi-
cates a defective main board. The signal path will not function.
Turn the instrument off and then on at least one time. If the error still occurs,
the main board is defective.
6850 Series II GC User Information
Messages
Fault messages
page 92 of
256

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