Diagnosis And Troubleshooting - Ferroli XIGNAL CE Technical Information Installation And Service Instructions

11.2 Diagnosis and troubleshooting

The microcomputer will make a complete diagnosis during boiler operation. When a fault is detected,
the display will flash and give an error message. Boiler operation will be inhibited and reset at the end
of the fault. Manual reset is sometimes necessary (digit key
List of diagnostic messages
The display and vocal message clearly indicate all types of fault. The following table lists the most common
causes that may have generated the faults. Symbol
reset is necessary.
Display message
ER 1 IGNITION
PROBLEM
ER 2 IGNITION
PROBLEM
ER 3 FLAME LOST
DURING OPERATION
ER 4 FLAME NOT
EXTINGUISHED
34
).
in the right-hand column indicates that manual
Causes and remedies
(Display off)
No 230V power supply
Wait until 230V power returns
Check 230V power supply and fuse
No gas
Check gas system
Defective gas valve
Repair or replace the valve
Clogged injectors
Thoroughly clean the injectors
Gas pressure too low
Check pressure
No spark between electrodes during ignition phase
Check that the boiler is connected to the main
with a good ground connection
Check safety thermostat
Check that the electrodes are correctly positioned
and without incrustations
Check electrical power supply
Check that the Phase-Neutral are not inverted
Check ignition P.C.B. and
electrical connections
Check ignition P.C.B.and
electrical connections
Leaks from the gas valve
Reset