Trouble Shooting - MW TOOLS WD70 Mode D'emploi

M1.1.WD70-WD100-WD170.NLFREN - 25042019
EN

7 Trouble shooting

Problem
Motor does not start.
E1 displayed on the screen
E2 displayed on the screen
Motor runs, but the heater does not
ignite and locks out after a short time.
E1 displayed on the screen
Flames come out of fuel outlet.
E1 displayed on the screen
Heater stops during operation.
Ambient temperature displayed on the
screen
Heater stops during operation.
E1 displayed on the screen
Possible cause
No power or low voltage.
Faulty or damaged power cord.
Faulty motor/capacitor.
Lock-out of appliance due to previous
overheating.
The temperature probe is faulted or
the connector for temperature probe is
loosen.
Empty fuel tank, dirty or wrong fuel.
Fuel filter clogged.
Air leaks in oil line.
Burner nozzle clogged.
Fuel viscosity increased at low
temperature.
Insufficient airflow into combustion
chamber.
Compressor pressure too high.
The room temperature set on room
thermostat has been reached.
Flame failure.
Bad combustion.
Reduced air flow.
Overheating.
25
Solution
Check power line and voltage.
Check fuse and replace if necessary.
Check and replace if needed.
Check and if necessary replace.
Detect the cause of overheating.
Shut the appliance down.
Check air inlet and outlet.
Wait some minutes and restart the
appliance.
Check and replace the temperature
probe if needed.
Check and replace the PCB if needed.
Remove wrong or dirty fuel
Fill the tank with clean diesel or
kerosene.
Clean or replace fuel filter.
Check hoses, tighten connections, if
necessary replace.
Clean nozzle blowing compressed air,
replace if necessary.
Mix diesel with 10-20% kerosene.
Check air inlet, fan, motor.
Check air pressure, adjust if needed.
Normal operation.
To start turn the temperature control
knob clockwise on a higher setting.
Check and remove the cause(s) of
malfunction.
To reset, turn On/Off switch to 0 and
then to I.
Call technical service if the problem
persists.