Lavor LKX 4 Series Manual page 26

Repair • Replace the nozzle.
• Check and/or replace the
valves.
• Check and clean the valves.
• Check and/or replace the
setting valve area.
• Replace the seals.
Fault Noisiness
Cause • Air suction.
• The suction and/or deliv-
ery valve springs are bro-
ken or down.
• Foreign matters in the suc-
tion and delivery valves.
• The bearings are worn out.
• Extreme liquid tempera-
ture.
Repair • Check the suction pipes.
• Replace the valve springs.
• Check and clean the suc-
tion and delivery valves.
• Replace the bearings.
• Reduce the liquid temper-
ature.
Fault Water is in the oil
Cause • The O-ring casing is worn
out.
• High moisture in the air.
• The seals are completely
worn out.
Repair • Check and/or replace the
O-ring.
• Replace the oil with dou-
ble frequency in respect
of the one suggested.
• Replace the seals.
Fault Filtrations of water from
the drains between casing
and head
26
Cause • The seals are worn out.
• The piston is worn out.
• The O-ring of the piston
cap is worn out.
Repair • Replace the seals.
• Replace the piston.
• Replace the seal.
Fault Filtrations of oil from the
drains between head and
casing
Cause • O-ring seals of casing are
worn out.
Repair • Replace the seals.
Fault Turning on the burner
switch the boiler does not
start
Cause • No fuel.
• Fuel fi lter is clogged.
• Fuel pump
blocked or burnt out.
• Damaged thermostat.
• Ignition spark insuffi cient
or totally lacking.
• The space among the
electrodes is not correct.
• Burn out fuse.
Repair • Check the level in the tank
and check whether the
rigid suction pipe is clean.
• Replace the line fi lter.
• Replace it.
• Replace it.
• Contact an authorised
service centre.
• Check the positioning.
• Replace it.
Fault Water is not hot enough
EN
is either