Troubleshooting
continued
“HC” is displayed on control box
Possible Causes:
•Person or object is obstructing the motion of the
•One of the large drive screws has dirt or something on it.
•The linkages are rubbing against something.
•A motor cable has a short.
How to Correct:
1. Unplug
2. Check that the TV and
3. Plug in
4. With the
5. Using the remote control, straighten
6. Turn the power switch on the control box to “0” (OFF).
7. Hold down the Set button on the control box while switching the power switch to “1” (ON). Continue holding down the Set button for 5 seconds until the display reads CT.
8. Stand back while
9.
10. Turn on the
11. Check that there are no foreign objects in the switches and motors in the areas shown in the picture.
12. Check to see that the wire connections are securely connected and clean any substances that are found around the large drive screws.
13. Check the motors for faults in the areas shown in the picture.
14. Plug in
Power Switch
Control Box
LED Display
Selector
Set Button
HC Error
switch
motor | motor |
switch | switch |
motor