Troubleshooting - Bosch MUM 6610 UC Owner's Manual

TROUBLESHOOTING

Problem
Power
unit does
not
function
Power
unit hums
but
nothing is
moving
Possible Cause
1.A circuit breaker may have
tripped or a fuse has blown
in the power supply circuit.
2.The built-in safety cutout
may have tripped.
1.The motor has become
blocked; that is, the
attachment being used has
become jammed.
Remedy
Reset circuit breaker or
replace fuse.
If the safety has tripped due to
overheating:
> Turn the power unit to the Off
position, "O/Off," and unplug.
> Remove the attachment that was
in use when safety tripped, and
correct whatever the situation
is that caused the safety to trip.
> Wait a few minutes (minimum 30
minutes recommended) to allow
the motor to cool.
> Depress the manual reset button
on the bottom of the power unit,
see figure 2b.
> Reinstall the attachment and
resume use per attachment's
instructions.
> Turn the power unit to the Off
position, "O/Off," and unplug.
> Remove
that was in use and correct
whatever the situation is that
is causing the blockage.
> Reinstall the attachment and
resume use per attachments
instructions.
25
the attachment