Messages
Fault messages
Released: March 2004 6850 Series II GC User Information page 95 of 256
FAULT 223 Oven temp too cool
To clear the error message, turn off all the heated zones and turn the GC off
and then on again.
Possible causes: Cryo valve stuck open
Shorted oven sensor
The oven temperature reading indicates the oven is less than its minimum
allowable temperature. Power to the small heated zones is disabled.
FAULT 224 Oven sensor shorted
Possible cause: Defective (shorted) oven sensor
The oven temperature reading is lower than expected, which indicates a
shorted oven sensor. Power is turned off for all the heated zones.
FAULT 225 Det temp too hot
To clear the message, turn off all the heated zones, then turn the instrument
off and on again.
Possible causes: Defective sensor in the detector
Defective main board
The detector’s temperature is higher than the maximum allowable temperature
(detector type maximum temperature plus 25 xb°C). Power is disabled to all
the heated zones.
FAULT 226 Detector temp sensor
Possible cause: Defective sensor in the detector
The detector’s temperature is lower than expected, which indicates a shorted
sensor. Power is turned off for the detector.
FAULT 229 Inlet temp too hot
To clear the message, turn off all the heated zones, then turn the instrument
off and on again.
Possible causes: Defective inlet heater
Defective main board
The inlet’s temperature reading is higher than the maximum allowed (inlet type
maximum temp plus 25 xb°C). Power is disabled to the small heated zones and
the oven.
FAULT 230 Inlet temp sensor
Possible cause: Defective (shorted) inlet sensor
The inlet temperature reading is lower than expected, which indicates a
shorted sensor. Power is turned off for the inlet.
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