Micromeritics Gemini VII 2390a, Operator'S Manual, Page: 229 / 426

Gemini VII Troubleshooting
239-42828-01 - Dec 2012 9-3
Unit does not work when
power switch is turned on. Power cord not fully inserted at
one end. Insert power plug firmly into
power source and analyzer power
connector.
No power at outlet. Plug in lamp or small appliance
to test outlet. If there is no power,
contact electrician.
Plug prongs bent so that contact
not made at outlet. Gently move power plug at outlet
while watching power indicator
light. If indicator light comes on,
have electrician replace outlet or
plug.
Power cord damaged. Have electrician check cord
using a test meter. Replace the
cord if defective.
Loose internal connection or
broken wire. Call a Micromeritics Service
Representative for repair or
replacement information.
Expected results are not
within range. Sample improperly degassed. Verify that the degassing
temperature and degas time were
set properly.
Gas bottle(s) may be almost
empty, causing gas impurity. Replace gas bottle. Refer to
Connecting Gases
, page
9-18
.
Undetermined Do the following:
1. Perform a blank analysis
(see
Performing a Leak
Test
, page
9-16
). Print the
results.
2. Perform a reference material
analysis (see
Performing a
Reference Analysis
, page
9-28
). Print the results.
3. Contact your Micromeritics
service representative.
What Happened Why What To Do (continued)