Fer FERtech 25 OV - Page 30

FERtech 25 OV
30
Cod. 3540U431 - 11/2009 (Rev. 00)
Fault Possible cause Cure
F13
Flue sensor fault
Sensor damaged or wiring shorted Check the wiring or change the sensor
Sensor damaged or wiring broken
Check the wiring or change the
sensor
F14
Flow sensor fault
Sensor damaged or short circuited Check the wiring or change the sensor
Sensor damaged or wiring broken Check the wiring or change the sensor
F15
Fan problem
Tachometer signal interrupted, fan
connection
Check the wiring and fan
Fan damaged, debris in fan Check the fan, clean debris
F34
Supply voltage under 180V. Electric mains fault Check the electrical system
F35
Irregular mains frequency Electric mains fault Check the electrical system
F42
Flow sensor fault Sensor damaged Change the sensor