Troubleshooting Guide
10
Problem
Cause
Solution
Machine will not start.
Insufficient power.
Ensure use of properly rated extension cord.
Loose capacitor leads.
Check capacitor leads to ensure good connection.
Overload button on motor has been tripped.
Button is located on the bottom of the electric box on
motor. If tripped, hold button in until it clicks.
Faulty ON/OFF switch.
Replace if needed.
Machine will not move under power.
Speed control is set too slow.
Turn speed control knob counterclockwise until the
machine goes forward.
Wheels are not in the “engage mode”.
Install wheel pins for “engage mode”.
Broken belt.
Remove wheels and bottom cover to inspect. Replace
if needed.
Broken chain.
Remove wheels and bottom cover to inspect; repair or
replace if needed.
Control handle mechanism failure.
Inspect control mechanism; repair or replace as
needed.
Motor is humming, but machine does not run
or breakers are blown.
Failed isolators.
Remove wheels and bottom cover to inspect.
Failed capacitors.
Replace as needed.
Motor start switch connections are dirty.
Remove fan cover and fan. Clean the motor start
switch (set of points) with an emery board or cloth
between the points; reassemble.
Machine is leaking hydraulic fluid.
Leak in hose(s).
Tighten; replace if needed.
Hydraulic fittings are loose.
Tighten; replace if needed.
Motor is heating up.
Motor shaft is binding.
Remove wheels and cover to inspect isolators. Inspect
cutting head bearing and eccentric to ensure that they
are not binding. If issue continues, contact NFE for
additional support.
Machine won’t propel forward, only in
reverse.
Speed control is set too slow.
Turn speed control knob to the left (counterclockwise).
Shank doesn’t fit into angle attachment.
Burrs inside angle attachment.
Use round file until burrs are gone.
Damage to shank insert end.
Remove damage with file or hand grinder. Replace
shank if nessary.
403092_RevK
