Baxi LUNA HT 1.280, Installation, Operation And Maintenance Manual

Page: 138 / 144

Fault
code
Fault description Explanations/causes
325 BX/e'module same sens
326 BX/m'grp same sens
327 E'module same funct
328 Mix group same funct
329 E'mod/m'grp same funct
330 Sensor BX1 no function
331 Sensor BX2 no function
332 Sensor BX3 no function
335 Sensor BX21 no function (EM1, EM2 or EM3)
336 Sensor BX22 no function (EM1, EM2 or EM3)
339 Coll pump Q5 missing
341 Coll sensor B6 missing
342 Solar DHW sensor B31 missing
343 Solar integration missing
344 Solar ctrl elem buffer K8 missing
345 Sol ctrl elem swi pool K18 missing
346 Solid fuel boiler pump Q10 missing
347 Solid fuel boil comp sens missing
348 Solid fuel boil addr err
349 Buff valve Y15 missing
350 Buffer address error
351 Prim/sys pump addr err
352 Pr'less header addr err
353 Common flow sensor B10 missing
371 Flow temperature 3 (Heating circuit 3) monito-
ring
372 Limit thermostat HC3
373 Expansion module 3 fault (collective fault)
378 Repetition counter internal fault expired
382 Repetition counter fan fault expired
384 Extran light
385 Ned undervoltage
386 Fan: revolutions per minute has left valid range
387 Air pressure switch fault
426 Checkb sign flue gas damper:
427 Configuration flue gas damper
432 Functional earth X17 not connected
1) Switching off, start prevention, re-start after removal of fault
2) Check parameter according to table Setting Table Heating Specialist and program basic settings or call-up internal LMS SW-diagnosis code and correct
respective parameter fault according to fault information!
3) Switching off and interlock; can only be unlocked by reset
Maintenance
138 358 436 08.10