Erato GP20+ - Table 5.4. Detailed Description of Control Boards Alarm Mode Indications

Instruction manual for installation and operation of automatic pellet burner “ERATO GP20+”
(Version : 02.02.2010 10:36) p. 43/50
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 5.3
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
p
erformed by
authorizer technician
only
The operating signal of the
photosensor for the
combustion process has
b
een 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 5.3.
4. Fast blinking red
LED
The rotation 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 5.4. Detailed description of control board’s alarm mode indications.