Troubleshooting – Silverline 430W Random Orbit Sander 125mm User Manual
Page 9

8
GB
Problem
Possible cause
Solution
No function when On/Off Trigger
Switch (1) is operated
No power
Check power supply
Defective On/Off Trigger Switch
Have the On/Off Trigger Switch replaced by an authorised Silverline
service centre
Slow material removal
Sanding disc too fine or worn
Fit new sanding disc with coarser grit
Scratches on workpiece after
sanding
Sanding disc too coarse
Fit new sanding disc with finer grit
Not enough material removed
Continue sanding
Burn marks on workpiece
Sanding disc incompatible with material
Fit correct sanding disc
Too much pressure exerted on to the sander
Use less pressure whilst moving the machine
Excessive dust emission
Vacuum dust extraction system not connected, or
extraction system not switched on
Check connection of the vacuum hose, and ensure dust extraction
system is switched on
Dust extraction not working; sanding disc not
aligned with dust extraction holes in the backing
pad; extraction holes blocked
Realign sanding disc; unblock dust extraction holes
Troubleshooting
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