Control Units CU 5x-2xxx – Rev. 1.A
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Malfunctions
Table 16: Malfunctions
Malfunction
Possible cause
Recommended action
No function
No or incorrect power supply to
the device
Check if the wiring at X1 is correct.
Measure supply voltage.
No image over HDMI
Settings in BIOS are not correct
Contact the support
Interface function impaired
Interface cable not plugged in
correctly
Check whether all interface cables are
plugged in correctly and the pin
assignment is correct.
Loss of warranty due to manipulation of the device
Repairs and other manipulations of the device may only be carried out by the manufacturer.
In particular, opening the device is prohibited. Otherwise any warranty will become void.
