Cause
For models that support a backlight burnout detection function, backlight burnout is detected.
Since [Touch Panel Operation on Back Light Off] is set to [Inhibit], it is believed that the touch may not respond.
For models that support backlight burnout detection, please refer to the following.
1.5 Supported Features
For setting up [Touch Panel Operation on Back Light Off], please refer to the following.
M.2.11 Preventing malfunctions when the backlight is burnt out
Solution
Replace the backlight. If there is no improvement after replacement, contact customer support.
Moreover, when the status LED is turned on in orange soon after purchase, there is a possibility that the display unit is out of order. Please contact customer support.
T.10.2 Telephone Contact
The backlight burnout detection function monitors the current consumed by the display unit. Depending on the failure type of the backlight, burnout may not be detected, or may be detected earlier than complete burnout.