Lockout Types - Riello RDB2.2R BG1 BLU 21 Installation, Use And Maintenance Instructions

6.13 Lockout types

Whenever a lockout occurs, the control box shows the reasons
for the fault (and the reasons can be identified by the reset button
colour). The sequence of pulses issued by the control box of the
Lockout description
Presence of extraneous
light during standby
Pre-heating not terminated
Detection of extraneous
light during the pre-purging
or pre-heating
Detection of extraneous
light during the post-purging
The flame is not detected
after the safety time
Flame failure during opera-
tion
Fan motor error
Malfunction in the internal
control circuit of the oil valve
Eeprom error
The frequency of the flash of reset push-button for the status in-
dication see "Fault diagnostics - lockouts" on page 23.
To reset the control box, press the reset button.
WARNING
In the event the burner stops, in order to prevent
any damage to the installation, do not unblock the
burner more than twice in a row. If the burner
locks out for a third time, contact the customer
WARNING
service.
In the event there are further lockouts or faults
with the burner, the maintenance interventions
must only be carried out by qualified, authorised
personnel, in accordance with the contents of this
DANGER
manual and in compliance with the standards and
regulations of current laws.
Start-up, calibration and operation of the burner
Lockout time
After 25 seconds
After 600 seconds
After 25 seconds
After 25 seconds
After 5 seconds
from oil-valve starts
After 3 recycles
Immediate
Immediate
Immediate
LED in the reset button identifies the possible types of fault, which
are listed in the table below
Led colour
– presence of a false flame signal before the heat re-
quest
– fault in the resistor of the oil pre-heater
– fault in the switch or start-up thermostat
0,5 sec ON
– the short-circuit socket is not connected (for burners
2,5 sec OFF
without heater)
– presence of flame simulation during the pre-purging or
pre-heating
– presence of flame simulation during the post-purging
RED – flame sensor defective or dirty
Steady ON – oil valve defective or dirty
– faulty ignition transformer
– badly regulated burner
– oil fuel not present
– badly adjusted burner
– oil valve defective or dirty
– flame sensor defective or dirty
– faulty fan motor
– fan motor not connected
– faulty oil valve
– internal control circuit of the oil valve faulty
– faulty internal memory
29 GB
Probable cause
Tab. I
20141254