Troubleshooting
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7 Troubleshooting
These are some of the most frequently-asked questions and our responses.
Problem: There is no working gas going into the Glovebox.
Possible causes/solutions:
•
If cylinder gas, is the tank empty? If empty, replace the tank.
•
Is the regulator open? If closed, open the regulator.
•
Is the needle valve on the regulator open? If not, open the valve.
•
What is the gas pressure? If the pressure is too high the valve won't open. Pressure on a
.MRC should be 55 PSI
•
Is the electrical signal getting to the gas (GA) valve? The Valve will illuminate if it is
receiving the proper voltage.
•
Is the Working Minimum Pressure set higher than the current pressure box pressure? The
system will not call for gas unless the box pressure drops below the Working Minimum set
point.
Problem: There is no regen gas flowing.
Note:
Regen gas will only flow after you have confirmed that the column valves are closed.
After the regen starts the gas will no longer flow until the Purge stage of the regen begins.
Possible causes/solutions:
•
If cylinder gas, is the tank empty? If empty, replace the tank.
•
Is the regulator open? If closed, open the regulator.
•
Is the needle valve on the regulator open? If not, open the valve.
•
Are the RG and EX valves illuminated?
•
Is the flow meter on the front of the purifier cart open?
Problem: The Antechamber won't hold a vacuum.
Possible causes/solutions:
•
Clean the Antechamber door and O-rings of debris. Replace the O-rings if necessary.
•
Verify the refill valve is closed.
•
Verify both doors are closed.
•
Verify all fittings on the chamber are tight.
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