Van Guard 1210CM, 1211CM, 1220CM, 1221CM, 1222CM, 1223CM, 1230CM, 1231CM, 1232CM,..., Operation Manual

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16
Troubleshooting
This chart may help resolve some of the more common problems associated with using a compound microscope.
Simply follow the steps until your problem is resolved. As always, you can contact your dealer or VanGuard
Microscopes if you ever need help.
I can’t get any light
Step # Possible Cause How to Check Result Solution For More Info
1 Light not switched on Visually inspect
Switched on Go to next step
Not switched on Move power switch to “|” position Page 10
2 Not plugged in Visually inspect
Plugged in Go to next step
Not plugged in Plug in
6
Variable lighting control (VLC)
turned all the way down
Visually inspect
VLC turned up Go to next step
VLC turned down Turn VLC up Page 10
3
Not getting power
Plug in another electrical
appliance
Getting power Go to next step
Not getting power Switch to different outlet
4 Bad fuse
Visually inspect
(see page 13)
Good fuse Go to next step
Bad fuse Install new fuse Page 14
5 Bad bulb Try different bulb
Good bulb Contact dealer or VanGuard Microscopes Page 17
Bad bulb Install new bulb Page 14
I can’t get enough light
Step # Possible Cause How to Check Result Solution For More Info
1
Variable lighting control (VLC)
is turned down too far
Visually inspect
VLC turned up Go to next step
VLC turned down Turn VLC up Page 10
2 Bulb not centered
Visually inspect
(page10)
Bulb centered Go to next step
Bulb not centered Center the bulb Page 9
3 Condenser not centered
Recenter the condenser
(page 8)
Centered Go to next step
Not Centered Center the condenser Page 8
4
Condenser height not adjusted
properly
Visually inspect
Adjusted properly Go to next step
Not adjusted properly Adjust condenser height Page 10
5
Dirty condenser and/or
substage illuminator
Visually inspect
Dirty
Clean condenser and/or substage
illuminator with lens cleaner and lens cloth Page 15
Not dirty
Consider purchasing auxiliary lighting or
Kohler Illumination kit. Contact dealer or
VanGuard Microscopes
Page 17
I can’t raise the stage
Step # Possible Cause How to Check Result Solution For More Info
1
Up-Stop Mechanism is set
too low
Visually inspect
Set incorrectly Set to “no up-stop” Page 11
Set correctly Go to next step
2 Stage is at maximum height Visually inspect
At max height Can’t be raised any further
Not at max height Contact dealer or VanGuard Microscopes Page 17
www.calcert.com sales@calcert.com 1.888.610.7664
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