8. Faults
8. Faults
This section provides troubleshooting information for your XH-303 in case it does not
behave as expected.
Fault
Cause
Remedy
XH-303 will not boot up
No 24 VDC supply voltage
Check the input wiring.
Switch on XH-303.
The display stays or turns dark.
The backlight is deactivated.
Turn on the backlight; please
refer to → Chapter "8 Web Con-
fig Tool", page 48
The capacitive multitouch is not
responding or is responding
incorrectly when used.
The functional earthing has not been
connected properly.
The XH-303 needs to be con-
nected to the conductive struc-
ture in, e.g., the control panel
using the central earth point
(earthing screw).
Ground connection char-
acteristics:
Wire cross-sectional area ≧ 1.5
mm², length ≦ 350 mm
The touch is not calibrated correctly.
Switch on XH-303.
Calibrate the touch functionality;
please refer to the system
description Linux platform from
EATON for operating
system/web browser and
configuration
The touch is disabled.
Switch on XH-303.
Enable the touch functionality;
please refer to the Linux
platform from EATON for
operating system/web browser
and configuration system
description
XH-303
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