Troubleshooting
Mechanical/Electrical Problems
125
2. Oven stabilization time may be set too long. Check the STABLIZE TIME
advanced function.
3. Check that the vials are loaded into the proper locations in the tray or
carousel.
4. Check that the method specifies the proper vial locations.
5. Wait for the 7694 READY display before pressing Start.
6. Call Agilent service.
Second Method in Sequence Won’t Start
Probable Causes
• Chain Methods Off.
• Parameter Increment on.
• Incorrect sequence entered.
• Vials not loaded correctly.
• Setpoints for second method not reached.
Suggested Actions
1. Chain Methods On.
2. Turn off Parameter Increment.
3. Check the sequence entered.
4. Check that the vials are loaded in the sample tray correctly.
5. Check that the setpoints for the second method are reached.
6. Call Agilent service.
Zones Won’t Heat
Probable Causes
• Oven temperature sensor defective.
• Heater band/vial heater not working.
• Fuse blown.
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