Launch X-631 Wheel Aligner Maintenance Manual Maintenance and Testing for Measurement Probe Rod
3-3
Item16: LCD Display Screen Inspection
Note: 1. In case of switching off, check if there are black dots on LCD screen, and check if the LCD screen is
broken;
2. In case of switching on, check if there are bad conditions such as disorder codes, etc.;
3. Check if backlight indicator is lit or not by pressing the backlight indicator key-press at the right end.
4. Check key-press for good hand feeling and for fault, and check if there is oil dirt inside the gaps.
Item17: Battery Inspection
Note (Remove four locking screws at rear cover, and then open it):
1. First, check if the battery casing is damaged, and check if its down-lead is damaged or not;；
2. Test the battery voltage with multi-meter, and compare it with the electricity quantity displayed on LCD
screen to see if the deviation is large or not.
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