INSTALLATION, OPERATION AND MAINTENANCE MANUAL
BiSolid Comfort OM-BSCV00/08/2012/EN
39
8. TROUBLESHOOTING
Failure
Reason
Solution
The fuel quality is low due to
high water content.
Try using fuel with higher
caloricity and lower water
content.
Operation instructions are not
observed.
Check the chimney draught,
chimney flap position, inlet
water temperature.
Tar deposits over the heat-
exchanger surface.
Clean the heat-exchanger
with a brush, supplied by the
manufacturer or with similar.
The boiler does not
generate hot water
Caused by improper burner
operation.
See the burner BiSolid GP
operation manual.
The used fuel is with high
water content.
Use proper quality fuel.
Excesive boiler
condensation and black
liquid formation
Low outlet water
temperature.
Try to operate the boiler with
flue gas temperature of
160°C over the ambient
temperature.
The boiler lower door is not
or is incorrectly sealed while
closing.
Check the lower door sealing
or replace it with new.
The boiler outlet water
temperature can not be
adjusted
The water temperature
gauge does not function.
Check the temperature
gauge working order.
The circulations pump does
not function or the water
circulation is blocked (for
example closed valve).
Check the circulation system
working order, especially the
water pump.
The boiler generates hot
water but the radiators are
cold.
Presence of air in the heating
system.
Bleed (air-free) the heating
installation.
In all other cases removing of eventual failures must be performed by the manufacturer or
authorized servicing company.
