Lockout Types - Riello RDB4 Installation, Use And Maintenance Instructions

7.8.2 Light diagnosis
Sequence for enable/disable
➤ Allowable programming only during running operations
mode
➤ Press push-button for 15 sec. ≤ t < 20 sec.
➤ GREEN led blinking 2 times
➤ Release push-button
➤ GREEN led OFF
➤ Press push-button 1 time for enable or 2 times for disable
function
➤ GREEN led ON and OFF with every press and release oper-
ation
➤ After 10 sec. GREEN led blinking for times programmed
(0.5s ON; 0.5s OFF)
7.9

Lockout types

The control box display causes of malfunctioning any time that
lockout occurs, identified by the reset push-button colour. The se-
quence of led pulses in the reset push-button issued by the con-
trol box identifies the possible types of malfunction, which are
listed in the table below.
Lockout description
Presence of extraneous
light during standby
Pre-heating not finished
Presence of extraneous light
detected during pre-purging
Presence of extraneous light
detected during pre-heater
The flame is not detected
after the safety time
Flame failure during opera-
tion
Faulty fan motor
Faulty oil valve
Eeprom fault
Frequency of reset button blinking for status indication - See
"Faults diagnosis - lockouts" on page 19.
To reset the control box after visual diagnostics
have been displayed, you must press the reset
button.
WARNING
Electrical system
Lockout time
After 25 seconds
After 600 seconds
Within 1 second
After 25 seconds
5 seconds
after the activation of
the oil valve
After 3 recycles
Immediate
(during pre-purging)
Immediate
(during pre-purging)
Immediate
(during pre-purging)
7.8.3 Intermittent operation
Sequence for enable/disable
➤ Allowable programming only during running operations
mode
➤ Press push-button for 20 sec. ≤ t < 25 sec.
➤ GREEN led blinking 3 times
➤ Release push-button
➤ GREEN led OFF
➤ Press push-button 1 time for disable function
➤ Press push-button 2 times for enable a shutdown every 1
hour
➤ Press push-button 3 times for enable a shutdown every 24
hours
➤ GREEN led ON and OFF with every press and release oper-
ation
➤ After 10 sec. GREEN led blinking for times programmed
(0.5s ON; 0.5s OFF)
Led colour
– presence of a false flame signal after heat demand.
– faulty resistance of oil pre-heater
– faulty switch of thermostat for start-up
– short-circuit socket is not connected
– presence of false flame signal during pre-purging.
– presence of false flame signal during pre-heater.
RED – flame detector 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 detector defective or dirty.
– faulty fan motor
– fan motor not connected
– faulty oil valve
– oil valve not connected
– faulty internal memory
23 GB
Probable cause
20071933