
12 Malfunctions
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100_0101_ts_0006.fm
12 Malfunctions
Please refer to the following table if the machine does not work properly. It con-
tains potential faults, their causes and remedies.
Malfunction
Cause
Remedy
HMS not in operation.
Power supply is interrupted.
Check power cable and GFCI,
have it re-placed if defective. *
Carbon brushes worn.
Replace carbon brushes.
ON/OFF switch defective.
Have ON/OFF switch replaced.
*
Electric power supply fuse trig-
gered.
Activate fuse.
Drive motor burned through.
Replace drive motor.
HMS cuts out.
Carbon brushes worn.
Replace carbon brushes.
Drive motor runs very loud.
Carbon brushes broken.
Replace carbon brushes.
Drive motor bearing worn.
Have machine parts replaced. *
Rotor schleift am Stator.
Drive motor runs normally, but
over-heated.
Air cleaner, ventilation grill or
ventilation slots are plugged.
Remove dirt, replace air cleaner
if necessary.
Too much special lubricant in
the flexible shaft.
Remove excess special lubri-
cant with a cloth replace or flex
shaft.
Too much oil in the vibrator
head.
Remove excess oil.
Drive motor runs slow and over-
heats.
Input voltage too low.
Provide correct line voltage.
Wire cross-section of extension
cable is too small.
Use extension cable with suffi-
cient wire cross-section.
Incorrect combination of vibra-
tion head and flexible shaft.
Only use combination accord-
ing to the table, see chapter
Technical Data.
Shaft core of the flexible shaft
not sufficiently lubricated.
Lubricate shaft core.
Vibrator head bearing or drive
bearing worn.
Have machine parts replaced.*
Rotor grinds on stator.