257
9 Faults
No. Description D1 D2 Extra
226 The flame signal drops during the stabilisation time.
– Check ignition point
– Check spark igniter and pilot burner
– Check flame sensor
– Check flame stability
– Check positioning of the flame sensor
– Check fuel valves
– Check fuel supply
– Check stability of the fuel pressure
– Check grounding of sensor cable
– Check flame sensor cable for short circuits/broken
wire
– Check wiring
– Check parameter 302, 303 and 800
Internal
information
0 R = 3, 3, 3, 3
Reset
228 The (pilot) flame signal drops during the 2
nd
safety
time.
– Check ignition point
– Check spark igniter and pilot burner
– Check flame sensor
– Check flame stability
– Check positioning of the flame sensor
– Check fuel valves
– Check fuel supply
– Check stability of the fuel pressure
– Check grounding of sensor cable
– Check flame sensor cable for short circuits/broken
wire
– Check wiring
– Check parameter 302, 303 and 800
Internal
information
0 R = 3, 3, 3, 3
229 The flame signal is missing during the safety time.
– Check ignition point
– Check spark igniter and pilot burner
– Check flame sensor
– Check flame stability
– Check positioning of the flame sensor
– Check fuel valves
– Check fuel supply
– Check stability of the fuel pressure
– Check grounding of sensor cable
– Check flame sensor cable for short circuits/broken
wire
– Check wiring
– Check parameter 302, 303 and 800
Internal
information
0 R = 3, 3, 3, 3
Reset