p. 58/61
No
Indication
status
Meaning
Method of repairing
1.
Yellow
LED is
permanently
active
The number of
ignition trials has
been reached and
now fuel ignition has
been achieved
Check the causes for lack of fuel
ignition –
see Table 5.4
Check the reason for failed ignition
attempts – see Tables 5.1 and 5.2
2.
Fast blinking
yellow
LED
The combustion
process intensity is
exceeding nominal
levels or the
photosensor has been
short circuited
Check the potentiometer, which
controls the adjustment of the
sensitivity of the photosensor -
this
operation should be performed by
authorizer technician only
The operating signal
of the photosensor
for the combustion
process has been lost
during nominal
operation mode
Check the status of the photosensor,
ask for help of a service if necessary;
3.
Green
LED is
permanently
active
Unsuccessful fuel
ignition
Check the reasons –
see Table 5.4
.
4.
Fast blinking
red
LED
The rotation sensor
(Hall sensor) is not
properly connected
or the air fan is not
working
Service assistance by authorized
technician is required
The fuel transport
auger’s electric
motor is
disconnected or
malfunctioning
Check if the power supply cable of
the fuel transport auger has been
disconnected from the burner’s main
unit. Check the status and
functioning of the auger itself;
5.
The
yellow
and
green
LEDs are
permanently
active
The operating relay
on the control board
is malfunctioning
Service assistance by authorized
technician is required
Table 5.5.
Detailed description of control board’s alarm mode indications.