T.11.2 Telephone ContactIs the status LED turned OFF or does it illuminate in orange?
Cause
The backlight burnout detection function is activated because the backlight is nearly burnt out. Or, the power supply voltage supplied to the display unit is low.
Solution
When the status LED is turned OFF
Measure the power supply voltage of each display unit and adjust it to the value within the Rated Voltage range specified in the manual or the Installation Guide. If the problem continues even after the power supply voltage is adjusted, please contact your local distributor.
When the status LED illuminates in orange
Replace the backlight. If the problem continues after the replacement, please contact your local distributor. If the status LED illuminates in orange soon after purchase, please contact your local distributor.
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. If this problem occurs soon after purchase, the display unit may be faulty. In such a case, please contact your local distributor.T.11.2 Telephone Contact
Error message "RAAA005 The specified initial screen number does not exist" was displayed.
Cause
The screen No. of the screen initially displayed at startup (initial screen) may be wrong and a different screen may be displayed.
Solution
Confirm the setting of the initial screen number For the procedure to change the setting, see the following section.
Can the Display Unit enter offline mode?
Cause
If the switches do not respond properly even after the self-diagnosis in offline mode, the display unit may be faulty.
Solution
When the display unit can enter offline mode
Conduct the self-diagnosis of the display unit in offline mode to determine whether the problem is in the display unit or not.
Correct an analog touch panel. (Setup calibration) For the setting procedure, see the following.M.8.2 Calibration Touch Panel
Select the [Check Touch Panel] option and check that the touched area lights up properly. For the checking procedure, see the following.M.8.1 Touch Panel Check
If the phenomenon continues after steps (1) and (2), the display unit may be faulty. Please contact your local distributor.
T.11.2 Telephone Contact
When the display unit cannot enter offline mode
When the display unit cannot enter offline mode, try the following measures.
The system menu used to enter offline mode may be set not to be displayed. If the system menu does not appear, select [Menu and Error Settings] in [Display Unit] with GP-Pro EX and set the option for [Show System Menu] to show the system menu, and then transfer the project file again.5.19.2.3 Display Unit (Display Settings) - Menu and Error Settings
If the display unit can enter offline mode after the project file is transferred, follow the steps for when the display unit can enter offline mode above.
When the user memory is initialized, all data other than the system data (OS, runtime, and driver) and the clock setting data is erased. Be sure to back up the data before starting the initialization.
If the display unit cannot enter offline mode even after step (1), the display unit may be faulty. Please contact your local distributor.
T.11.2 Telephone Contact
Is data to turn OFF the display/backlight written in the address of the system area?
Cause
Data to turn OFF the display or backlight may be written in the address of the system area.
Solution
Check if data to turn OFF the display*1 or backlight*2 is written in the address of the system area.
*1 Data to turn OFF the display — Address +9 when the direct access method is used, and Address 12 when the memory link method is used. Clear the data written in these addresses to 0.
*2 Data to turn OFF the backlight — Address +14 when the direct access method is used, and Address 11 when the memory link method is used. Clear the data written in these addresses to 0.