22
11.FAILURES AND SOLUTIONS
Attention:
Cut off
all
electric connection before carrying out any repairs
or
maintenance on
boiler.
PROBLEM
H1 Fuel is Finished
Check that the fuel sensor is in place.
Sensor which controls fuel or
electronic card default.
Call authorized service.
H2 Fuel is Squeezed
Call authorized service.
Call authorized service.
H3 Boiler Sensor Fault
Heat sensor or electronic card
may have failed.
Call authorized service.
H4 Boiler is Overheated
(Electronic card sensor)
St
op burning and d
o
not
add
water to
boiler until it cools down.
Fill water until
1,5bars
when it drops under 50
°
C
Remove the back screw of the
circulation pump and
turn the rotor
manually to overcome jamming
.
Radiator valves or installation
tesisat valve may be closed.
Open the valves.
There is air in the system.
There is no circulation.
Call authorized service.
H5 Burning is not occured
Air intake flap
may be closed.
Open
the air intake flap
.
The combustion chamber air
holes
may be clogged.
Open the blockage by inserting a hard
object with an appropriate diameter into
the air holes.
Fuel may be wet.
Make sure you use fuel for the
specifications indicated in the user
manual.
Improper fuel usage
.
Be sure that you use fuel that has
specifications stated in operating manual.
Combustion chamber
resistance outlet front may be
clogged.
Clean the combustion chamber resistance
outlet
front.
H6 Fuel Pipe is Overheated
Fuel sensor
failure
.
All fuel may have run out because the fuel
sensor is faulty.
Call authorized service.
Limit thermosta
t
failure
.
Call authorized service.
Values in user settings
Return the boiler operating
parameters to the factory settings.
PROBABLE
CAUSE
SOLUTION
PROPOSAL
Fuel in fuel tank may be
reduced.
The sensor that controls the
fuel may have come out of
place.
Load the f
uel
in
bunker
until
15cm
to the top
level to cover.
The foreign
objects
that m
ight
come out of the fuel may have
compressed the shaft.
Reductor
motor
may have
failed.
Boiler water may be missing.
The circulation pump may be
jammed
.
The circulation pump may be
faulty.
Vent the air from the
boiler and
the
system
may be set to high
capacity
