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ÜKY/DUO Boiler User Manual
INFORMATION ON USAGE ERRORS
PROBLEM
CAUSE
SOLUTION
Insufficient
heating
Boiler heat transfer surfaces can
be covered with work and soot
Used fuel may be of poor quality
Pump may not be running
Insufficiency of insulation
Feed - Standby settings may be
incorrect.
Clean with cleaning rod (the boiler should not burn)
Change your fuel and take a little before refueling.
Call service, make sure that the control panel is
plugged in.
Increase the heat insulation of the space where the
boiler is installed
Enter the correct settings from the Feed - Standby
settings page. Or correct the settings by observing the
flame.
Burning is not
good
Combustion air may be low
Chimney extraction may be low
Make sure that the fan is working and that the valve is
not closed.
Check that there are no holes or cracks in the chimney.
If you still can't, consult your leg.
Isolate your chimney.
Smoke from
the hopper
The wick on the hopper cover may
not be well pressed or worn on the
surface.
Chimney extraction may be low
Make sure that the roving on the cover is fully pressed
against the surface, and replace if necessary.
Check that there are no holes or cracks in the chimney.
If you still can't, consult your leg. Have your chimney
sealed.
Smelting of
smoke pipes
Burning of plastics-derived fuels in
the boiler
The chimney may not heat up
Do not dispose of wastes of plastic derivative into the
boiler or fuel reservoir (hopper).
Check that there are no holes or cracks in the chimney.
If you still can't, consult your leg. Have your chimney
sealed.
Excessive fuel
consumption
Poor use of fuel may be
High chimney traction
Air may be too high
Space isolation may be insufficient
Feed - Standby settings may be
incorrect
Change your fuel
Check that there are no holes or cracks in the chimney.
If you still can't, consult your service.
Reduce fan speed.
Increase the heat insulation of the space where the
boiler is installed
Enter the correct settings from the Feed - Standby
settings page. Or correct the settings by observing the
flame.
Smoke gas leak
from the boiler
front doors
Cover seals may be worn
Covers may be deformed
Replace the seals.
Ensure that combustion does not withstand the covers.
Consult the authorized service center for deformed
caps.
Failure of the
boiler to reach
the set temp.
Temperature sensor tip may be
pulled out of the slot
The control panel may not be
receiving power
Replace the temperature sensor end of the control
panel board by lifting the boiler top cover. Pour the
heat transfer oil into the housing.
Connect the control panel to the mains. If not, call for
service.
Heating of the
expansion tank
Expansion tank may be affected by
pump
Increase the expansion tank or lower the pump speed.
In case of open expansion, if the pump is rotating, take
it to the outgoing line.
Partial heating
of radiators
Air in the radiator
Remove air from radiator purifiers. Make sure that the
line to the expansion tank is constantly upward.
For closed expansion systems, make sure that the
automatic valve plug is not tightened.
