Mass Filter (Quad) Heater Will Not Heat Up; Gc/Msd Interface Will Not Heat Up - HP 5973 Hardware Manual

Troubleshooting the MSD
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Temperature symptoms

Mass filter (quad) heater will not heat up

• High vacuum pump is off or has not reached normal operating conditions*
• Incorrect temperature setpoint
• Mass filter has not had enough time to reach temperature setpoint
• Mass filter heater cartridge is not connected*
• Mass filter temperature sensor is not connected*
• Mass filter heater failed (burned out or shorted to ground)*
• Mass filter temperature sensor failed*
• Source power cable is not connected to the sideboard*
• MSD electronics are not working correctly
* These will cause an error message

GC/MSD interface will not heat up

• Incorrect setpoint
• Setpoint entered in wrong heated zone
• GC/MSD interface has not had enough time to reach temperature setpoint
• GC is off
• GC experienced a fault and needs to be reset*
• GC/MSD interface heater/sensor cable is not connected*
• GC/MSD heater failed (burned out)*
• GC/MSD sensor failed*
• GC electronics are not working correctly*
* These will cause a GC error message. GC error messages are described in the
documentation supplied with your GC.
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