Ecoflam E-BCU Diagnostic tool Manual De Uso página 7

Maintenance
Symbol fault
Burner stand-by, waiting for heat
demend.
Sullply v oltage lower than minimum
allowed value
Burner lock-out
Waiting oil pre-heater temperature
Gas pressure lower than minimum
Flame signal during pre-purge
Lack of flame signal after safety time
Lack of flame signal during burner
operation
Lack of air pressure switch signal.
Oil pre-heater
420010145602
Fault
Thermostat open or defective
Electric connection defective – BCU
defective
See diagnostic tool info
Before burner start the oil must reach
working temperature
Gas not available. Gas chock valve
closed. Wrong setting of gas pressure
switch. Defective gas pressure switch
Fuel valve defective. Ionization
electrode/photocell defective. BCU
defective
Fuel valve defective. Ionization
electrode/photocell defective. Igniter
defective.
Burner wrong setting. Ionization
electrode/photocell defective. BCU
defective.
Air duct blocked. Air pressure switch
defective. Air pressure switch badly
adjusted.
Oil pre-heater defective
Cause
Wait for heat demand. Change the
thermostat.
Check electric wiring – change the BCU
Un lock the burner by reset button
Wait for conbustion head heating
Check gas avilability. Open the gas valve.
Adjust pressure switch setting. Change the
pressure switch
Change fuel valve. Change/check
ionization electrode/photocell. Change the
BCU
Change fuel valve. Change/check
ionization electrode/photocell. Change the
BCU. Change igniter
Verify burner setting. Change/check
ionization electrode/photocell. Change the
BCU.
Check air pressure connection. Change air
pressure switch. Properly adjust air
pressure switch setting.
Change oil pre-heater
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EN
Remedy
7