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12
GB
Troubleshooting
Problem
Possible cause
Solution
Router will not operate
No supply of power
Check that power is available at source
Brushes worn or sticking
Have carbon brushes replaced by an authorised GMC service centre
Switch is faulty
Have the tool repaired by an authorised GMC service centre
Motor components faulty or short circuited
Have the tool repaired by an authorised GMC service centre
Router runs or cuts slowly
Blunt or damaged cutter
Resharpen or replace cutter
Variable Speed Control (2) set low
Increase variable speed setting
Motor is overloaded
Reduce pushing force on router
Makes an unusual sound
Mechanical obstruction
Have the tool serviced by an authorised GMC service centre
Armature has shorted sections
Have the tool serviced by an authorised GMC service centre
Excessive vibration
Incorrectly fitted or loose router bit
Refit or tighten router bit
Bent or damaged router bit
Replace router bit
Heavy sparking occurs inside motor housing
Brushes not moving freely
Have carbon brushes checked and replaced by an authorised GMC
service centre
Armature short circuited or open circuited
Have the tool serviced by an authorised GMC service centre
Commutator dirty
Have the tool serviced by an authorised GMC service centre
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