Operator`s manual

Maintenance Cub 200/300/300 HD
wcghi_tx000721gb.fm 44
5.15 Troubleshooting
Issue Ref Description
The burner does not start • The remote thermostat
or thermostat plug is not
inserted correctly.
• Faulty cable or power
supply
• The over temperature
limit has tripped
• The burner is in lock-out
mode.
• Insert the remote
thermostat or thermostat
plug.
• Check cable and power
supply
• Call Ground Heaters,
Inc. for service
assistance.
• Press the reset button.
The burner starts, the flame
does not ignite, the unit
locks out
• No fuel
• Worn burner nozzle
• Faulty electrodes
• Cad cell detecting
external light.
• Cad cell defective
• Burner control defective
• Fill fuel tank
• Replace burner nozzle
• Replace electrodes
• Check the Cad cell
enclosure
• Contact Wacker Neuson
Product Support
The burner starts, flame
ignites, but the unit locks
out
• Incorrect fuel pressure
• Worn burner nozzle
• Incorrect air lock setting
• Cad cell defective
• Burner control defective
• Increase fuel pressure
• Replace burner nozzle
• Re-adjust air lock setting
• Contact Wacker Neuson
Product Support
The burner ignites but the
performance is poor
• Worn burner nozzle
• Clogged fuel filter
• Air leaks in the fuel lines
• Insufficient oil pressure
• Replace burner nozzle
• Replace the fuel filter
• Inspect the lines for
leaks; replace if
necessary
• Contact Wacker Neuson
Product Support
Black smoke from vent pipe • Insufficient combustion
air
• Insufficient ventilation air
• Contact Wacker Neuson
Product Support
The machine stops due to
pressure switch fault
• Overheat condition
• Faulty pressure switch
• Contact Wacker Neuson
Product Support