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5.1 Trouble shooting
5
(2)
Temperature control
* If your column oven is equipped with the CRG (Cryogenic work attachment: option), you can specify the COL temp.
lower than room temperature. However, even though you remove the CRG or turn it OFF, the set value is still
validated. Set an appropriate temperature before analyses.
Problem Possible cause Solution Reference
The temperature does
not increase or reach
the set value.
The GC has not started yet.
(In this status, if [SYSTEM] key
is pressed, "GC Start
Sequence" is displayed.)
Press [SYSTEM] key, and press
[Start GC] on PF menu.
Heat control is set to "Off" Turn the control to "On" on the
setup screen of COL/INJ/DET,
etc.
Because start time is set at too
high a value, heating has not
started yet.
Set the start time to a lower
value.
(Note: Immediately after the
setting, the newly set value is in
effect.)
Heat loss error has occurred
because the oven door remains
open, or there are holes on
insulation of the oven door, etc.
Close the oven door.
Fill up the holes on the
insulation.
Since the specified maximum
temperature is too low, an
overheat error has occurred.
Specify a higher maximum
temperature.
Refer to [16.6.4
Setting the maximum
temperature limit] in
Instruction Manual.
The DET actual temperature is
lower than the set COL
temperature. (To avoid detector
contamination, GC is designed
for the COL temp. not to exceed
DET actual temperature.)*
Set the DET temperature higher
than the COL temperature.
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