Erato GP20+, Instruction Manual

Page: 41 / 46

Instruction manual for installation and operation of automatic pellet burner “ERATO GP20+”
(Version :
02.02.2010 10:36
) p. 41/50
Photosensor
malfunctioning Check the condition and
functionality of the photosensor
Check the position of the heat
capacity potentiometer
The operating
parameters of the
control board have
been changed
Check the operating parameters
of the burner’s control board –
it
should be performed by
authorized technician only;
10.
The operation of
the burner is not
stable
The position of air
flow control flap has
been changed Adjust the combustion process –
check both the operating
parameters as well as position of
the air flow rate control flap –
it
should be performed by
authorized technician only;
11. Presence of
unburned fuel in
the ash tray of
the heat
consumer unit Ineffective fuel
combustion process It is necessary to perform
adjustment of the operating
parameters and the air flow rate –
it should be performed by trained
authorized technician
;
The fuels’ ash
content is higher than
recommended It is necessary to replace the fuel
with appropriate one – see the
table with properties of the
recommended fuel 12. Ash slagging
and deposition is
observed in the
region of the
combustion
chamber of the
burner
(especially on
the grate)
The burner is
operating at thermal
capacity higher than
the nominal one Decrease the thermal capacity of
the burner by changing the set-
point of the heat capacity
potentiometer
13. Alarm mode of
the burner’s
control board Alarm mode of the
operating conditions
of the burner Check LED indications, depicted
in the following table. Get help
by authorizer technician if
necessary
14. The burner has
stopped and
after a manual
restart it works
properly The photosensor is
malfunctioning and
the gives improper
signal to the control
board Check the quantity of the fuel at
nominal mode, delivered on the
burner’s grate:
•
In case that this quantity is
less than required, than
increase the thermal
capacity of the burner or
decrease the air flow rate
by repositioning the
control flap of the air fan;