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Troubleshooting
Some of the most frequent defects and their causes are listed in the following chart. In case of other defects,
contact your dealer or the MAFELL customer service.
7
Optional accessories
³
Drill station BST 650 S
Ref. no. 961 216
³
Drill station BST 460 S
Ref. no. 961 215
³
Drill station BST 460
Ref. no. 961 211
³
Drill station BST 320
Ref. no. 961 210
The determination of the causes for existing defects and their elimination always require
increased attention and caution. Draw the power plug before troubleshooting.
Defect
Cause
Elimination
Machine cannot be switched on
No mains voltage
Check power supply
Carbon brushes worn
Take the machine to a MAFELL cus-
tomer service shop.
The machine automatically switches off
during idle operation or stops during
drilling
Mains failure
Machine overloaded
Check backup fuse
Reduce speed of forward momentum
Drill bit jams
Blunt bit
Replace the drill bit or resharpen it
Summary of Contents for HB 2 E
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