Motorized Filter Wheel Chapter 6: Troubleshooting and Maintenance
Rev H, October 2, 2014 Page 13
Chapter 6 Troubleshooting and Maintenance
WARNING
Prior to troubleshooting or maintaining the unit, ensure that the power is off and the unit is
disconnected from the DC source.
Dust or debris can sometimes set into the filter wheel housing and block the sensors. This will result in the filter
wheel failing to move to the desired position. To prevent this, periodically remove the filter wheel and use
compressed air to clear away any contaminants. Externally the unit can be cleaned with a damp cloth to remove
dust or debris.
Removing the Filter Holder
6.1.
The filter holder maybe tight and difficult to remove. To make the wheel release with the minimal of force, grab it
on the right side (by filter position 5 in image below) and pull the wheel out and to the left as depicted by the large
red arrow.
When reinserting the wheel, push the filter holder onto the post jiggling the holder clockwise and counterclockwise
to help align the gears.
Figure 6 Open Filter Wheel
Filter Holder
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