National Flooring Equipment 4230, Руководство по обслуживанию, Страница: 11 / 40

Troubleshooting Guide
11
Problem Cause Solution
Machine will not start. Seat safety switch is disengaged. Ensure operator is seated.
Emergency stop switch is pushed. Release emergency stop switch.
Key switch did not fully engage. Turn the key fully and long enough for the
motors to begin running.
Power cord is disconnected. Ensure the power cord and extension cord
are plugged in. Check cords for damage.
External circuit breaker tripped. Ensure no other equipment is running off the
external breaker and reset the breaker.
Internal circuit breaker tripped. Reset the breaker within the control panel. Al -
low motors to cool before returning to opera -
tion. If repeated internal trips occur, contact
NFE tech services for assistance.
Machine is making rattling noises. Loose hardware on machine. Inspect and tighten bolts as needed.
Fluid is leaking from machine. Hose connections/or fittings have loosened
through normal use.
Tighten hydraulic hoses and fittings as
needed.
Pin hole in the hoses. Replace affected hose.
Oil and/or oil filter are old. Replace oil and oil filter yearly on machine.
Tires/Wheel motors make a slight clicking
noise.
Normal noise with proper operation.
Machine is jerky or jumpy. New operator. Additional time is required to become familiar
with machine.
Control levers are being moved too quickly. Operate control levers with wrist resting on
knees for additional support or purchase arm
rest.
Coupling leaks at thread or seat. Missing or damaged O -rings. Check for missing or damaged O-rings;
replace if necessary.
Damaged threads due to misalignment or
improper seat angle.
Correct seat angle. Check for thread dam -
age; replace if necessary.
Over or under torquing. Only hand-tighten hardware.
Any issues concerning the electrical box. Must be serviced by NFE–cannot be serviced
in the field. Contact tech services for as -
sistance.
Any issues not listed above. Contact NFE to speak with a technician.