Air-Vac DRS25, User Manual

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DRS25 User’s Guide Chapter 7: Troubleshooting
0025.00.902 7 -3
7 Troubleshooting
7.0 No Heat
7.0.1 Nozzle Heater
If the upper heater is not putting out any heat, run through some of the items on this list:
•
Verify that the process profile has not been inadvertently saved with no heat in that event.
•
Verify that the incoming air line is still connected. Look for problems with the lines.
•
Verify that the incoming pressure is set for 80 PSI on both the Nitrogen and Air inputs to the machine.
•
Measure both legs of the incoming 220V ac line to insure the voltage is within tolerance of the heating element.
(210-232 VAC)
•
Check fuse F3 and replace if blown.
•
Measure the resistance of the upper heater element. It should be 52 ohms. See section 10: Maintenance for
details on how to checkout the heating element. Replace the element if required.
7.0.2 Communications Problems
If the ‘temp communications link’ alarm is persistent:
•
Insure that the communication cables relating to the temperature control are connected properly – see schematic
or block diagram in the schematics section of this manual.
•
Reboot computer to unlock COM port.
•
Verify the setup parameters.
7.1 No or Low Flow Condition
•
Verify that the incoming air line is still connected. Look for problems with the lines
•
Verify that the incoming pressure is set for 80 PSI.
•
Check fuse F6, should be O.S.A. Slo Blo fuse.
7.2 Nozzle Does Not Pick Up Component
•
Check nozzle vacuum filter. Clean and replace element (F1AE).
•
Check nozzle vacuum cup. Replace if worn or missing.
7.3 No Motion
•
Reboot computer to unlock COM port.