The GSP9720JLR will then proceed to the “Balance” screen. 
If a centering problem is detected, the following screen will appear. 
The procedure will repeat the re-centering check up to four times and always 
compare the previous measurement to the next check. If centering is not achieved 
after four attempts, the following screen will appear. 
Check for: 
Correct mounting cone/adaptor for this wheel design. 
Wheel defect such as a metal burr interfering with the cone/adaptor. 
Dirt or debris interfering with the cone/adaptor. 
GSP9720JLR Wheel Balancer Operation Instructions  Balancing Procedures 
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