12 Troubleshooting
100_0101_ts_0009.fm
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12 Troubleshooting
You can find possible faults, their causes and solutions in the following table.
Fault
Cause
Remedial measure
HMS does not work.
The power supply is interrupted.
Check the power cable. If defective,
have it exchanged.*
Worn carbon brushes.
Exchange the carbon brushes.*
Defective ON/OFF switch.
Have the ON/OFF switch exchanged.*
Electric power supply safeguard
triggered.
Activate safeguard.
Burned out drive motor.
Exchange drive motor.*
HMS skips.
Worn carbon brushes.
Exchange the carbon brushes.*
Drive motor is running very
loudly.
Broken carbon brushes.
Exchange the carbon brushes.*
Worn bearing of the drive motor.
Have the equipment parts exchanged.*
Rotor grinding on the stator.
Drive motor is running normally,
but is overheating.
The filter element or air inlet is
obstructed.
Remove the dirt; exchange the filter
element if necessary.
Too much special lubricant in the
connected flexible shaft.
Remove excess special lubricant with
a cloth or exchange the flexible shaft.
Too much oil in the vibrator head.
Remove excessive oil.*
Drive motor is running slowly
and is overheating.
Input voltage too low.
Establish the correct supply voltage.
The cross-section of the extension
cable is too small.
Use an extension cable with a
sufficient cross-section.
Incorrect combination of vibrator
head and flexible shaft.
Use a combination according to the
table, see chapter
Technical Data
.
Shaft core of the flexible shaft
insufficiently lubricated.
Lubricate the shaft core.
Bearing of the vibrator head or the
drive system worn.
Have the equipment parts exchanged.*
Rotor grinding on the stator.
*
Have this work performed by the service department of your Wacker Neuson contact partner.
