Riello 20118250, Installation And Maintenance Manual

Page: 48 / 64

48
COMMISSIONING AND MAINTENANCE
Functioning status display
Reset button
Functioning status Reset button LED colour Flash time
Seconds
ON OFF
OFF
OFF
- - -
Pre-ventilation
Flashing ORANGE
Slow 0,5 0,5
Safety time
Flashing GREEN
Slow 0,5 0,5
Normal functioning position
GREEN
- Steady ON
Extraneous light or false flame signal
GREEN, RED alternate flashing
Slow 0,5 0,5
Power supply frequency error
ORANGE
- Steady ON
Internal voltage error
ORANGE, GREEN alternate flashing
Fast 0,2 0,2
Reset button anomaly
GREEN, RED alternate flashing
Fast 0,2 0,2
Lockout for flame failure after Ts
RED
- Steady ON
Lockout for extraneous light or false flame
signal
RED flashing
Slow 0,5 0,5
Lockout for maximum number of cycle
repetitions (flame failure during functioning)
RED flashing
Fast 0,2 0,2
Lockout for fan motor fault
RED, ORANGE flashing
Reversed 2,5 0,5
Lockout for fuel oil valve fault
RED, GREEN flashing
Reversed 2,5 0,5
Lockout for EEPROM fault
ORANGE, GREEN alternate flashing
Slow 0,5 0,5
Fault diagnosis - lockouts
Description of lockout Lockout time
Presence of extraneous light during standby After 25 seconds
Pre-heating not finished After 600 seconds
Presence of extraneous light during pre-purging After 25 seconds
Detection of extraneous light during post-purging After 25 seconds
Flame not detected by end of safety time 5 seconds after the activation of the fuel oil valve
Flame failure during functioning After 3 ignition attempts
Fan motor fault Immediate (during pre-purging)
Fuel oil valve fault Immediate (during pre-purging)
EEPROM fault Immediate (during pre-purging)
9
To reset the control box after visual diagnostics have been displayed, you must press the reset button.
9
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 Technical Assistance Service.
9
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 manual and in compliance with the standards and
regulations of current laws.