Section 1
General Information
Control Troubleshooting Procedure
No Keypad Display - Display Contrast Adjustment
Action
Apply Power
Press DISP key
Press SHIFT key 2 times Allows display contrast
Press Y or
key
Press ENTER key
5-2 Troubleshooting
If there is no visible display, use the following procedure to adjust the contrast of the
display.
Description
No visible display.
Ensures control in Display mode.
adjustment.
Adjusts display contrast
(intensity).
Saves display contrast
adjustment level and exits to
display mode.
Display
Display mode.
Comments
MN1230