80 PL-GPC 220 User Manual
7 Maintenance
Testing Overtemperature Protection Systems
This concludes the autosampler over temperature protection system test.
6
Dip the temperature sensor into the hot water.
After a few seconds the solvent module alarm buzzer will
sound and an error notification will be displayed on the
PL-GPC 220 Control software.
Next Steps:
7 Leave the probe in the hot water for a few minutes and check the temperature of the heat sink again. This should now be
noticeably cooler.
8 If the alarm condition does not occur or the heatsink does not cool down then switch off and disconnect both power
cords from the instrument.
Contact your local Agilent Service Department for assistance.
OR
Once heat sink cooling has been verified remove the probe from the hot water and replace it in the mounting block.
9 Tighten the clamp screws slightly. Do not over-tighten.
The alarm will cease after a few seconds.
10 Clear the error on the Control software.
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