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X-631 Wheel Aligner Product Service Manual Maintenance guide
4-1
Maintenance Guide
Summary
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The different faults will be caused by different reasons (such as artificial reason, software and/or hardware reason, etc.)
when using X-631 wheel aligner. This chapter analyzes and summarizes some familiar fault phenomenon and
provides some trouble-shooting methods.
Hardware
Probe rod cannot be switched on
Related Factors
a)
Key-press board damaged, or broken cable;
b)
Battery electricity used up;
c)
Short circuit of CCD camera box or other exterior devices or connecting cable;
d)
Main-board of the probe rod is faulty.
Checking Sequence
Battery—Key-press board— CCD camera box — Probe rod main-board
Incorrect Display after Switching On
Incorrect Display Content
Related Factors
a)
LCD screen damaged;
b)
Error in main IC program of probe rod.
Check Sequence
LCD screen— probe rod main IC
Disorder Codes, Double-shadow
Related Factors
a)
LCD screen (drive control board) damaged;
b)
LCD screen strip cable is broken.
Check Sequence
LCD strip cable
――
LCD screen
No Backlight
Related Factors
a)
Backlight cable damaged;
b)
LCD backlight board damaged.
