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VisuNet Display Unit
Appendix
6
Appendix
6.1
Support Pixel Errors
With current LCD technology, a panel may contain a limited number of missing or flickering pix-
els.
Pepperl+Fuchs display units are tested according to internationally recognized standards in
order to fulfill the tolerated pixel errors.
The following pixel errors in the LC display are due to production and do not represent an rea-
son for complaint:
Inspection item
Line defect
Bright dots
Dark dots
Total dots defect
Table 6.1
6.2
Health Monitoring
CPU / Display Error
Indication
Home button solid white
Power button solid red
26
Specification
can't be seen
≤ 1 dots (note 1&2)
≤ 5 dots
≤ 5 dots
Problem
CPU (Most likely Service Con-
troller) damaged
If backlight still turns on:
Display frontkey controller
damaged
Solution
Replace the CPU
Replace the display unit
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