Maintenance and Troubleshooting
23
Fans
At least once per year:
•
Check that all fans work by turning the thermostat dial clockwise until the fans turn
on. After testing, return the thermostat to its original setting.
•
Open the intake fan assembly and clean any dirt and debris off the fan blades. Spin
the fan blades with a pen or pencil to ensure the bearings are free and the fan is
balanced.
Filters
Check and clean the filters at least once per year. If the filter has an excess of dirt and dust,
check the filters more frequently.
VFC-3000 Controller
At least once per year:
•
Ensure all connectors are secure and the cables are not damaged in any way.
•
Check the VFC-3000 controller operation.
Face Panels
Clean the face panels as needed, using one of the following methods:
Wet Outdoor Cleaning Method
Cleaning supplies:
•
Water
•
5-gal bucket
•
Automotive detergent
•
4' to 8' telescoping, automotive brush with soft to medium bristles
•
Several soft terry cloth towels
Cleaning process:
1.
Mix the automotive detergent and cold water in the 5-gal bucket at 1 oz detergent to
1 gal of cold water. Distilled water is preferred, but not required.
2.
Dip the brush in the bucket of soapy water.
3.
Using brush strokes, wash the display from top to bottom.
Note:
Using a soap-dispensing brush with a low soap-to-water ratio eliminates
excess soap residue.