Preventive Maintenance Schedule; Problem Identification - MW TOOLS WD70I Mode D'emploi

10 Preventive maintenance schedule

WARNING!
Before initiating any repair or maintenance procedure, unplug the feeder cable and make sure
that the generator is cooled down.
Component
Fuel tank
Nozzle
Photocell
Fuel filter
Ignition device
Fan blades

11 Problem identification

Problem
Generator does not run
Motor/pump runs but the
flame does not start
Fan blocked or spins too
slowly
Maintenance frequency
Clean every 150-200 hours of operation or
when necessary
Clean or replace once per season or when
necessary
Clean once per season or when necessary
Clean or replace twice per season or when
necessary
Clean or replace every 1000 hours of
operation, or when necessary
Clean when necessary
Possible cause
Generator blocked
The power switch is in the OFF position
No power
Blocked control card
Wrong thermostat setting
Temperature sensor override
Fuse damaged
No fuel
Ignition device is dirty
Fuel filter is dirty
Nozzle is dirty
Photocell is dirty, damaged or installed
improperly
Foreign substances present in the tank
Electrodes are used up or placed at an
improper distance
Engine damaged
Maintenance procedure
Empty and rinse with fresh fuel
Contact the technical service center
Contact the technical service center
Clean the fuel filter with clean fuel
Contact the technical service center
Contact the technical service center
Possible solution
Restart the generator
Turn the switch ON
1. Plug the feeder cable properly into the
socket
2. Check the power supply network
1. Restart the generator
2. Identify the display error
3. Contact the technical service center
Calibrate the thermostat by setting it higher
than ambient temperature
1. Wait at least ten minutes then try to run
ignition again
2. Contact the technical service center
Contact the technical service center
Turn off the generator, refill the fuel tank then
restart the generator
Contact the technical service center
Clean the filter using clean fuel
Contact the technical service center
Contact the technical service center
Empty and refill the fuel tank with clean fuel
Contact the technical service center
Contact the technical service center
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M1.1.WD70I.NLFREN - 25042019
EN