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Code | Fault |
10 |
Outside sensor error (e.g. open, short circuit, out of range) |
20 |
Flow sensor error (e.g. open, short circuit, out of range) |
40 |
Return sensor error (e.g. open, short circuit, out of range) |
50 |
T3 (DHW) sensor error (e.g. open, short circuit, out of range) |
61 |
Bus communication error (contact open) |
78 |
Water pressure outside of range or not connected |
105 |
Venting program active when power turned on or interrupted (runs approx. 7 mins.) |
110 |
Safety temperature exceeded |
111 |
Maximum temperature exceeded |
117 |
Pressure too high (> 3 bar) or pump pressure increase too high |
118 |
Pressure too low (< 1 bar) or pump pressure increase too low (no pump detection) |
119 |
Link on X2 position 4 and 5 missing |
129 |
Fan error (fan does not start up) |
133 |
No flame after 5 ignition attempts |
151 |
Fan error (speed control is not achieved or is out of range) or control unit defective |
154 |
Flow increases to fast ∆T to large, return > flow |
180 |
No error: shortly visible when leaving chimney sweep function |
181 |
No error: shortly visible when leaving commissioning mode |