IBC SFC-99 Installation And Operating Instructions Manual page 71

F007
F008
F009
F010, F011
F012
F014
F016
F018
F019
F027
F028
F029
F030
TROUBLESHOOTING
SFC COMBI BOILERS SFC-99, SFC-125
No or insufficient flame current.
Incorrect fan speed
Internal fault in burner
controller.
Sensor fault S0.
Sensor fault S5.
Mounting fault sensor S0.
Mounting fault S3
Flue and/or air supply
duct is blocked.
Boiler Memory Module (BMM) fault.
Short circuit of outdoor
sensor S6.
Reset error.
Gas valve fault.
Sensor fault S3.
•
Check the ignitor.
•
Check the wiring of the ignitor for breakage/shutdown.
•
Replace the ignitor.
•
Check the fan cable.
•
Check and/or replace the fan.
•
Replace the burner controller.
•
Replace the burner controller.
•
Check the wiring of heat exchanger sensor S0 for
breakage/shutdown.
•
Check whether the heat exchanger sensor S0 is
connected correctly.
•
Check for the correct operation of heat exchanger
sensor S0.
•
Replace the heat exchanger sensor S0.
•
Check the wiring of flue gas sensor S5 for breakage/
shutdown.
•
Check whether the flue gas sensor S5 is connected
correctly.
•
Check for the correct operation of flue gas sensor S5.
•
Replace the flue gas sensor S5.
•
Heat exchanger sensor S0 is not mounted correctly.
Mount the sensor correctly.
•
Domestic hot water sensor S3 is not mounted
correctly. Mount the sensor correctly.
•
Check the flue and the air supply duct.
•
Clean the flue and/or the air supply duct.
•
Check BMM wiring for breakage/shutdown.
•
Replace the BMM.
•
Check the wiring of the outdoor sensor for breakage/
shutdown.
•
Replace the outdoor sensor.
•
BRINK WTW connection piece is connected. Burner
controller is unsuitable for this application. Replace the
burner controller with the correct version.
•
Check the reset button for unintentional operation (e.g.
cleaning of the control panel).
•
Replace the burner controller.
•
Check the gas valve for leakage.
•
Replace the burner controller.
•
Check the wiring of the domestic hot water sensor S3
for breakage/shutdown.
•
Check whether the domestic hot water sensor S3 is
connected correctly.
•
Check for the correct operation of domestic hot water
sensor S3.
•
Replace the domestic hot water sensor S3.
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