ASAP 2460 Operator’s Manual Troubleshooting
246-42800-01 - Aug 2013 7-3
What Happened Why What To Do
Vacuum gauge shows
reading above 20
mHg, even after
extended pumping
through unrestricted
valve with analysis or
degas ports closed.
(continued)
Alumina in the oil vapor trap
is holding moisture because
it was not sufficiently dried
before being added to the
alumina trap.
Replace the alumina. Refer to
Replacing the Alumina in the
Oil Vapor Traps, page 7-13.
Oil-Free Pump Only:
Filter in the port being used
is dirty.
Replace the port filter. Refer to
Replacing Analysis Port
Filters, page 7-5.
High-vacuum pump may
have timed out.
Turn the high-vacuum pump
power switch off, then back on.
No power to the vacuum
pump.
Check the pump power plug,
power switch, and line circuit
breaker.
The diaphragm in the pump
is worn or damaged.
Contact your Micromeritics
Service Representative.
Analysis valves cannot
be operated.
Cable from the computer to the
analyzer is loose.
Make sure the cable is connected
properly to the computer and the
analyzer.
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