Operation Manual

29
Lockouts
Error
code
Description of error
331 Sensor BX2 no function
332 Sensor BX3 no function
333 Sensor BX4 no function
334 Sensor BX5 no function
335 Sensor BX21 no function (EM1, EM2 or EM3)
336 Sensor BX22 no function (EM1, EM2 or EM3)
337 Sensor BX1 no function
338 Sensor BX12 no function
339 Collector pump Q5 not available
340 Collector pump Q16 not available
341 Solar Collector sensor B6 not available
342 DHW sensor B31 not available
343 Solar integration not available
344 Solar controlling element buffer K8 not available
345 Solar controlling element swimming pool K18 not available
346 Solid fuel boiler pump Q10 not available
347 Solid fuel boiler comparison sensor not available
348 Solid fuel boiler address error
349 Buffer return valve Y15 not available
350 Puffer address sensor
351 Primary controller / system pump address error
352 Pressureless header address error
353 Common flow sensor B10 not available
371 Flow temperature 3 (heating circuit 3) supervision
372 Limit thermostat heating circuit 3
373 Extension module 3 error (collective error)
374 Sitherm Pro calculation
375 BV stepper motor
376 Drift test limit value
377 Drift test prevented
378 Repetition counter internal error elapsed
379 Repetition counter extraneous light elapsed
380 Repetition counter loss of flame during operation elapsed
381 Repetition counter no flame during TSA elapsed
382 Repetition counter fan error elapsed
383 No repetition permitted
384 Extraneous light
385 Mains undervoltage
386 Fan speed has lost valid range
387 LP error
388 DHW error no function
426 Feedback flue gas damper
427 Configuration flue gas damper
429 Dynamic water pressure to high
430 Dynamic water pressure to low
431 Sensor primary heat exchanger
432 Functional earth not connected
433 Temperature primary heat exchanger to high