Lincar Siria 840, Using Instructions And Maintenance

Page: 74 / 120

IT-GB-FR
mod. 740-740 ECO-740/SA-740/SA ECO-740N/SA
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Wrong pressure of thermal
plant.
Verify thermal plant pressure.
(min. 0,5bar max. 2bar).
Press
Water
Noticed
wrong boiler
pressure.
Too high pressure
Electrical connections
interrupted.
Reduce the pressure of the plant by
draining water.
Verify the electrical connections of
pressure switch.
Pressure switch control
breakdown.
Verify/replace pressure switch
control.
Feeler
Water
Boiler
temperature
feeler
signaling
error.
Verify/replace temperature feeler.
Feeler
exhaust
Exhaust feeler
signaling error
Verify/replace exhaust feeler.
Wrong appliance Verification of appliance by a
carburation. technical service center.
Proceed with “Pellet Correct”.
Hot
exhaust
Fume
temperature
too high
Change fuel.
Verification of appliance by a
technical service center.
Utilize better quality of pellet .
Proceed with “Pellet Correct”.
Verify fume feeler position.
Fume feeler Verify/replace fume feeler.
Wrong appliance
carburation
Verification of appliance by a
technical service center.
Proceed with “Pellet Correct”.
Hot
Water
Boiler water
temperature
too high
Breakdown/block
circulation plant pump.
Air inside the boiler.
Verify circulation pump working
Eliminate air from the thermal plant
Fume feeler . Verify boiler feeler position.
Verify/replace boiler feeler.
Black-Out
A black-out
has happened
during the
regular
working.
Empty and clean the burner basket
and then proceed with the lighting
phase.
EXAMPLES OF APPLIANCE/PLANT CONNECTION
The following connection diagrams are only indications of some connection
possibilities and should not be considered as satisfaction in matter of installations
For Model 740N/SA use schemes of 740/SA.