VIGAS 25 Lambda Control - 18. PROBLEMS, CAUSES AND SOLUTIONS

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Gasifying boiler Vigas
17. SERVICE DEPARTMENT
It is advised that repairs to the boiler must be carried out by authorised service engineers appointed by the
manufacturer:
Pavel Vigaš - VIMAR, Príboj 796, Slovenská Ľupča, Slovakia.
tel. 00421 48 41 87 022.
tel. 00421 48 41 87 159
email: vimar@vimar.sk, web: www.vigas.eu
18. PROBLEMS, CAUSES AND SOLUTIONS
Probl
em
Cause / Solution
During heating season the boiler output is lower
than previous heating period.
Fuel being used is wet.
Clean pipe airway system.
Clean fan air wings.
When chimney flap is closed, boiler does not
perform then smoke appears.
Not enough primary air is getting through. Clean primary pipe
airway system. Check if flap behind the blower is functioning.
Combustion chamber contains unburned wood. Nozzle hole enlarged. Change nozzle. Set up secondary air to
required position : 3 turns of flap back from closed position.
Lower the temperature end. See chap.9.2.
Smoke leaks through door seal after door is
closed.
Door is not tight enough. Adjust the door. Check door is tight.
Remove gasket and place other way round or replace gasket.
Difficulty in opening the chimney flap. Chimney flap is glued by tar. Increase boiler operating
temperature. Use dry fuel. Increase temperature end. See
chap. 9.2.
After upper door and chimney flap is opened,
the boiler room beomes filled with smoke.
Low chimney draught. Chimney diametre must be bigger than
diameter of boiler flue outlet. A discharge fan recommended.
See chap.16.2.
Cracked fireproof/concrete/ filling This is not a defect. Separates combustion chamber from
gasification chamber.
Fan does not turn. It will only start working
when pushed.
Fan condenser is defective . Change condenser.
After heating phase, the boiler shuts down. Incorrect selection of „End“ temperature. See chap.9.2. for
configuration.
Boiler is in shut-down mode, but the fan is still
in operation.
Damaged wires leading to the fan. Zero leading wire is
connected to ground wire
Pump is operating even though the symbol
does not show on the display.
Damaged pump wires. Zero leading wire of pump is connected
to ground wire.
Warning
indications
and n
o
tifications
Cause/ Solution
T max The display shows the statement "MAX" If the boiler temperature
exceeds 93 ° C.
Error notification
Error identification
(MENU 4)
Cause
/
Solution
STB Error
Red control LED indicating
 Boiler overheated – when boiler
cools down, reset STB fuse
manually. See12.1.
Lambda control boiler STB error
Red control LED indicating
 Boiler overheated – when boiler
cools down, reset STB fuse
 Suspended fuse F1A, control
system is conencted from
AK4000PS
Suspended fuse 3,15A
Red control LED indicating
 Suspended fuse 3,15A which
joins boiler.
 Check pump connection.