FBR GAS XP60/2CE EVO Manual De Instalación, Uso Y Mantenimiento página 41

TYPE OF IRREGULARITY
The burner starts, the flame ignites
then it goes into lock-out position.
The burner starts, the flame ignites, it
goes into lock-out position and then the
burner repeats the prepurge phase.
Flame is completely dark yellow and
not defined.
During operation, the burner
goes into lock-out position.
The burner does not go into 2nd stage.
*: Only for models with UV flame detector.
**: Only for models with maximum gas pressure switch PGmax.
GAS XP60/2CE EVO
MAINTENANCE
PROBABLE CAUSE
1) The flame it isn't detect.
2) Dirty flame sensor. *
3) Erroneous ionisation probe con-
nections.
4) Maximum gas pressure switch operates.
**
1) Insufficient gas pressure.
1) Combustion air is to low.
2) Too much gas.
3) Clogged boiler pipe or chimney.
1) Inadequate flame signal.
2) Defective flame sensor.
3) Intervention of maximum gas pressure
switch. **
4) Air pressure switch in fault position.
5) Defective air pressure switch.
6) Fan is dirty.
7) Dirty disk or mouth.
1) The 2nd stage control device
does not switches in 2nd stage position.
2) The servomotor does not close the
contact of the 2nd stage consent.
3) Defective control box.
RIMEDY
1) Check the flame intensity.
2) Clean the flame sensor. *
3) Check if there is electrical continuity
between the probe and its terminal.
Check the condition of the ionisation pro-
be cable.
Check if the phase and neutral conductor
are connected propely.
Check if the electrical supply is phase -
phase.
4) Check the gas pressure. **
Check the maximum gas pressure switch
adjustment. **
Replace or adjust the maximum gas pres-
sure switch. **
1) Increase pressure at governor.
1) Check that the air damper opens nor-
mally.
Check if the fan is dirty.
2) Check the calibrations of the burner.
3) Clean them.
1) Check the flame intensity.
Check the burner calibration.
2) Replace the flame sensor.
3) Replace of adjust. **
4) Check the air pressure to the pressure
switch.
Check the fan motor.
5) Replace the air pressure switch.
6) Clean.
7) Clean.
1) Replace or adjust.
2) Check calibration of the servomotor or
replace it.
3) Replace the control box.
GB
071011_2_A
20