Troubleshooting; Repairs, Spare Parts - Lavor MEK series Betriebsanleitung

TROUBLE SHOOTING
FAULT
When switch "ON" the machine will not start
working.
The motor stops suddenly.
The pump doesn't reach the necessary
pressure.
Fluctuating pressure.
Water leak from appliance
Abnormal noise
Water is in the oil.
The machine does not suck wax or detergent
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Turning on the burner switch the boiler does
not start.
Water is not hot enough.
Too much smoke from the chimney..
DISASSEMBLING OF THE MACHINE
When you decide not to use the machine, we recommend the following:
- Make it inoperative by taking out the electricity supply cable;
- Place it out of the reach of children;
- Do not use the disassembled parts of the machine as spare parts;
- Disassemble the machine for spare parts disposal according to the law in force.
REPAIRS - SPARE PARTS
For any further inconveniences, not mentioned this booklet or any demages of the machine, we suggest
you to go to an Authorized Assistance Center for the repair or possible replacement of any original spare
parts.
PROBABLE CAUSE
Plug not properly inserted in socket
Electric socket is faulty.
The main voltage is insufficient.
The pump is stuck.
Gauge of extension lead not sufficient
Thermic safety switch has tripped due to the
overheating.
Cable extension seems to be inadequate.
-
Insufficient flow.
Water inlet filter is clogged.
Suction/delivery valves are clogged or worn out.
Pressure regulator valve set on minimum
The nozzle is worn out.
The nozzle is either clogged or deformed.
Suction/delivery valves are clogged or worn out.
Worn gaskets
Pressure regulator valve gaskets worn
The filter is dirty.
Water leaking from the pump.
Leaks from hose reel (if present)
Leaks from pressure regulator valve
Leaks from water unions.
Suction/delivery valves are clogged or worn out.
Worn bearings
The filter is dirty.
Extreme water temperature.
O-rings (water and oil) are worn out.
Tanks empty.
Rod knob on high pressure position.
Disconnected pipe in detergent suction system.
Incrusted injector.
-----
No fuel.
Fuel filter is clogged.
Fuel pump is either blocked or burnt out.
Damaged thermostat.
Ignition spark insufficient or totally lacking.
The space among the electrodes is not correct.
Burn out fuse.
Burner nozzle filter fouled.
Fuel filter is clogged.
Poor boiler performance.
Boiler coil clogged with limestone.
Combustion is not correct.
Impurities or water in the fuel.
REPAIR
Fit plug in power socket correctly.
Have electrical socket checked.
Have a check made on the suitability of the mains system.
Turn switch to ON while keeping nozzle trigger
pressed; if problem persists, contact an
authorised service centre.
Refer to maintenance section
Leave motor to cool for a few minutes. If the
problem persists, contact an authorised service
centre.
Refer to maintenance section
Check that the delivery rate is 30% higher than
the value stated on the appliance's technical
data plate.
Remove and clean the filter.
Contact an authorised service centre.
Increase the pressure by screwing in the
pressure regulator knob.
Replace the nozzle.
Dismantle the lance and clean the nozzle with
the pin provided.
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.
Remove and clean the filter.
Contact an authorised service centre.
Tighten the unions; if the problem persists,
contact an authorised service centre.
Contact an authorised service centre.
Tighten the unions; if the problem persists,
contact an authorised service centre
Contact an authorised service centre
Contact an authorised service centre
Remove and clean the filter.
Bring the temperature under 50°.
Contact an authorised service centre.
Replace oil with double frequency that is
suggested.
Fill the tanks.
Return it into position.
Turn it to the low pressure position.
------
Check the level in the tank.
Clean fuel filter.
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.
Clean burner nozzle filter.
Clean fuel filter.
Contact an authorised service centre.
Descaling.
Clean burner nozzle filter.
Clean fuel filter.
Empty the tank and clean it carefully.
Clean fuel filter as well.
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