38
Error
code
Description of error
Priority
117 Upper pressure limit (crossed) 6
118 Critical lower pressure limit (crossed) 6
121 Flow temperature 1 (HC1) supervision 6
122 Flow temperature 2 (HC2) supervision 6
126 DHW charging supervision 6
127 Legionella temperature not reached 6
131 Burner fault 9
146 Confi guration error common message 3
171 Alarm contact 1 (H1) active 6
172 Alarm contact 2 (H2) active 6
173 Alarm contact 3 (EX2/230VAC) active 6
174 Alarm contact 4 (H3) active 6
176 Upper pressure limit 2 (crossed) 6
177 Critical lower pressure limit 2 (crossed) 6
178 Temperature limiter heating circuit 1 3
179 Temperature limiter heating circuit 2 3
217 Sensor error common message 6
218 Pressure supervision common message 6
243 Swimming pool temperature sensor error 6
320 DHW charging temperature sensor error 6
321 Instantaneous DHW heater outlet temperature sensor error 6
322 Upper pressure limit 3 (crossed) 6
323 Critical lower pressure limit 3 (crossed) 6
324 BX same sensors 3 3
325 BX/extension module same sensors 3
326 BX/mixing valve group same sensors 3
327 Extension module same function 3
328 Mixing valve group same function 3
329 Extension module / mixing valve group same function 3
330 Sensor BX1 no function 3
331 Sensor BX2 no function 3
332 Sensor BX3 no function 3
333 Sensor BX4 no function 3
334 Sensor BX5 no function 3
335 Sensor BX21 no function 3
336 Sensor BX22 no function 3
337 Sensor BX1 no function 3
338 Sensor BX12 no function 3
Error
code
Description of error
Priority
339 Collector pump Q5 missing 3
340 Collector pump Q16 missing 3
341 Collector sensor B6 missing 3
342 Solar DHW sensor B31 missing 3
343 Solar integration missing 3
344 Solar controlling element buffer K8 missing 3
345 Solar controlling element swimming pool K18 missing 3
346 Solid fuel boiler pump Q10 missing 3
347 Solid fuel boiler comparison sensor missing 3
348 Solid fuel boiler address error 3 3
349 Buffer return valve Y15 missing 3
350 Buffer storage tank address error 3
351 Primary controller / system pump address error 3
352 Pressureless header address error 3
353 Cascade sensor B10 missing 3
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