Basic Troubleshooting - Wacker Neuson HI400HD D Notice D'emploi

Basic Troubleshooting

8 Basic Troubleshooting
8.1 Basic Troubleshooting
Problem
The burner does not start
The burner starts, the flame
does not ignite, the unit
locks out
The burner starts, flame
ignites, but the unit locks
out
The burner ignites but the
performance is poor
Black smoke from vent pipe
The machine stops due to
pressure switch fault
Cause
■
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.
■
No fuel
■
Worn burner nozzle
■
Faulty electrodes
■
Cad cell detecting
external light.
■
Cad cell defective
■
Burner control defective
■
Incorrect fuel pressure
■
Worn burner nozzle
■
Incorrect air lock setting
■
Cad cell defective
■
Burner control defective
■
Worn burner nozzle
■
Clogged fuel filter
■
Air leaks in the fuel lines
■
Insufficient oil pressure
■
Insufficient combustion air
■
Insufficient ventilation air
■
Overheat condition
■
Faulty pressure switch
■
Incorrect nozzle
■
Wrong fuel pressure
78
HI400HD D / HD G
Remedy
■
Insert the remote
thermostat or thermostat
plug.
■
Check cable and power
supply
■
Press the reset button.
■
Fill fuel tank
■
Replace burner nozzle
■
Replace electrodes
■
Check the Cad cell
enclosure
■
Increase fuel pressure
■
Replace burner nozzle
■
Re-adjust air lock setting
■
Replace burner nozzle
■
Replace the fuel filter
■
Inspect the lines for leaks;
replace if necessary
Remove any obstructions
from the air inlet and outlet
areas.
Contact Wacker Neuson
Product Support
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