Temperature Symptoms - Agilent Technologies 7250 Troubleshooting And Maintenance Manual

2 General Troubleshooting

Temperature Symptoms

The MS has three heated zones:
•
•
•
Each heated zone has a heater and temperature sensor. The ion source and
mass filter are powered and controlled by the MS. The GC/MS interface is
powered and controlled by the GC.
Ion source will not heat up
•
•
•
•
•
•
•
•
•
Mass filter (quad) heater will not heat up
•
•
•
•
•
•
•
38
Ion source
Mass filter
GC/MS interface
High-vacuum pump is off or has not reached normal operating conditions*
Incorrect temperature setpoint
Ion source has not had enough time to reach temperature setpoint
Ion source heater cartridge is not connected*
Ion source temperature sensor is not connected*
Ion source heater failed (burned out or shorted to ground)*
Ion source temperature sensor failed*
Source power cable is not connected to the quadrupole board*
MS electronics are not working correctly
* This will cause an error message.
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*
7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual