Riello P 140 T/G, Installation, Use And Maintenance Instructions

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10.BURNER START-UP CYCLE DIAGNOSTICS
During start-up, indication is according to the followin table:
11.OPERATING FAULT DIAGNOSTICS
The control box has a self-diagnostic system, which easily allows identifying the
operating faults (
RED LED signal).
ITo use this function, wait at least ten seconds from the safety lock out, and then press the reset button for a minimum of 3 sec-
onds.
After releasing the button, the RED LED starts flashing as shown in the diagram below.
The pulses of the LED constitute a signal spaced by approximately 3 seconds.
The number of pulses will provide the information on the possible faults, according to the table below:
COLOUR CODE TABLE
Sequences Colour code
Pre-purging OOOOOOOOOOO
Ignition phase
OPOPOPOPOPO
Operation, flame ok TTTTTTTTTTTT
Operating with weak flame signal
TPTPTPTPTP
Electrical supply lower than ~ 170V OVOVOVOVOVO
Lock-out
VVVVVVVVVV
Extraneous light VTVTVTVTVTV
Key:
P
Off
O
Yellow
v
Green
V
Red
SIGNAL PROBABLE CAUSE
2 flashes The flame does not stabilise at the end of the safety time:
– faulty photocell;
– faulty or soiled light-oil valves;
– neutral/phase exchange;
– faulty ignition transformer
– poor burner regulation (insufficient light oil).
3 flashes
– Not used.
4 flashes
– Not used.
7 flashes Loss of flame during operations:
– poor burner regulation (insufficient light oil);
– faulty or soiled light oil valves;
– short circuit between photocell and earth.
8 flashes
– Oil enabling thermostat fault;
– Break in heating elements.
10 flashes
– Wiring error or internal fault;
– Presence of electromagnetic disturbance: use the radio disturbance protection kit
RED LED on
wait at least 10 s
Press button
for > 3 s Signal Signal
Interval
3 s