TROUBLESHOOTING
Symptom
Possible Cause
Solution
Ground Fault Interrupter (GFI) repeatedly
trips
Short in wires between
high-cycle head and
switch
Remove head and check wires for wear Repair as
required
Short in internal high-
cycle motor
Replace high-cycle motor stator assembly
Short in high-cycle cord
or plug Internal drive has
tripped
Replace cord or plug
Vibrators stop while power is still applied
to converter and rotary switch is not off
Internal drive has tripped
Unplug converter for two minutes and plug back in
to reset If the problem persists, have error code on
drive checked by a qualified electrician/personnel
Refer to drive manual for resolution
Vibrators do not come up to full speed
and converter trips after 2 minutes
Some lower voltage
power sources cannot
start two vibrators at
once
Follow start up procedure in order by powering
drive and turning it to desired speed before turning
on vibrators
Fuses on converter input have blown
Excess current applied to
power drive
The drive will internally shut down when most
problems occur If the fuses blow it is an indication
of a serious problem and the converter should be
returned to the factory The high-cycle vibrators
should also be thoroughly inspected
Troubleshooting
Page 7
December 2018
VBR-UM-02429-EN-03
