Table Of Times; Operations Status Indication; Fault Diagnostics - Lockouts - Riello 20034606 Installation, Use And Maintenance Instructions

7.8

Table of times

Symbol Description
t0 Standby: the burner is waiting for a heat request
t1 Standby time for an input signal: reaction time, control box remains in waiting status for t1
t2 Initialisation check time: interval time for checking the activation of the main power supply
t2l Checks extraneous light during t2: waiting mode for t2l, then lockout: the motor does not start
t3 Pre-purge time: the fan motor is working
t3l Checks extraneous light during pre-purging: control box goes into lockout at the end of t3l
t3i Spark pre-ignition time
ts Safety time
t4i Total spark ignition time
t4l Reaction time to achieve safety shutdown due to flame failure
t5i Spark post-ignition time
- Minimum time required to reset the control box
tr Re-cycles: Max. no. 3 repetitions of complete start-up sequence if there is a flame failure during
operation; the final action at the last attempt following flame failure is a lock-out
tpp Post-purge time: additional purge time at the end of a heat request. Can be interrupted by a new
heat request
7.8.1

Operations status indication

Status
OFF
Pre-purge
Safety time
Running
7.8.2

Fault diagnostics - Lockouts

Fault description
Extraneous light (false flame signal)
Frequency supply error
Voltage monitor error
Reset push-button fault
Lockout due to no flame after Ts
Lockout for false flame or parasite flame signal
Lockout for maximum number of recycles (flame absence
during operation)
Lockout for fan motor error
Lockout due to malfunction in the internal control circuit
that drives the oil valve
Lockout for eeprom error
Key
ON
20035274
Start-up, calibration and operation of the burner
OFF Colour code
RED
ORANGE
GREEN
Reset push-button colour
OFF
ORANGE blinking
GREEN blinking
GREEN
Reset push-button colour Seconds
GREEN, RED
blinking alternately
ORANGE
ORANGE, GREEN
fast blinking alternately
GREEN, RED
fast blinking alternately
RED
RED blinking
RED fast blinking
RED, ORANGE
blinking inverted
RED, GREEN
blinking inverted
ORANGE, GREEN
blinking alternately
22 GB
Value (sec.)
re-cycles
Seconds Colour code
- - -
0.5 0.5
0.5 0.5
- - Steady ON
Colour code
0.5 0.5
- - Steady ON
0.2 0.2
0.2 0.2
- - Steady ON
0.5 0.5
0.2 0.2
2.5 0.5
2.5 0.5
0.5 0.5
-
 1
3.5
25
15
25
2
5
10
 1
3
0.4
3
10