Thermo Scientific Dionex ICS-5000, Operator'S Manual

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Dionex ICS-5000 Operator’s Manual
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Doc. 065342-06 12/11
2.25 Gas and Humidity Sensors
The TC contains two sensors to detect any gas or humidity that may
accumulate inside the TC. When a certain concentration of gas or humidity is
reached (while the door is closed), the following events occur:
•
The corresponding sensor is activated.
•
The
ALARM
LED on the front of the TC lights (red), and remains red as
long as the sensor is exposed to gases or humidity.
•
The error is logged in the Chromeleon Audit Trail.
•
A beep sounds.
What to do when an alarm occurs:
1. Find and eliminate the leak.
2. If you are using Chromeleon 7: Open the Commands dialog box (press
the F8 key). Select the TC and click the Commands tab. Click the
ClearAlarmLED button.
3. If you are using Chromeleon 6.8: On the TC Control panel, click the
Clear Alarm button.
4. Ventilate the interior of the TC thoroughly before closing the door and
resuming operation.
Adjusting the Sensor Sensitivity
Follow these steps to change the sensitivity setting of the gas or humidity
sensor, or to turn off a sensor:
1. Open the Chromeleon 7 ePanel Set or the Chromeleon 6.8 panel tabset.
2. Press the F8 key to open the Commands dialog box.
3. Select the TC.
4. If you are using Chromeleon 7: Click the Parameters tab page for the
TC, click the GasLeakSensor or HumidityLeakSensor parameter.
Select the new sensitivity setting (or select Off to disable the sensor).
5. If you are using Chromeleon 6.8, click the plus sign beside TC to display
the items underneath. Under TC_Temp , select the GasLeakSensor or