LAUNCH
X-631 Wheel Aligner Product Service Manual Maintenance guide
4-2
Check Sequence
Backlight board connecting cable
――
Backlight board
Battery cannot be Charged
Related Factors
a)
Battery damaged;
b)
The charging circuit of probe rod main-board is faulty;
c)
The charging power supply is abnormal.
Check Sequence
Charging power supply
――
Battery
――
Probe rod main-board
The Working Time of Battery is Shorted
Related Factors
a)
The battery has been used for too long time (more than one and a half year);
b)
Battery damaged.
Check Sequence
Check if the battery is out of life time or not.
Abnormal CCD Light Dots
The Light Dots cannot be Seen
Related Factors
a)
Check if there is roadblock among the probe rods;
b)
Check if infrared diode on the opposite side of CCD camera box is working or not;
c)
CCD camera damaged;
d)
Probe rod main-board damaged.
Check Sequence
Roadblock
――
Infrared diode
――
CCD camera
――
Main-board
The Light Dots are Jumping
Related Factors
a)
Infrared light (strong light) from opposite side of the probe rod interferes the communication;
b)
CCD module is aged;
c)
Infrared diode has worked for too long time, and has been aged;
d)
Probe rod main-board is faulty.
Check Sequence
Strong light
――
Change infrared lamp
――
Change CCD camera
――
Main-board of probe rod
