ctive
1. 1st status
message
Heat pump
operation
Responsibility
no.
overloaded er overloaded service)
228: Flow switch heat source E15 9 Yes
Numb
er
Pressure switch
heat source
No 1 (installer)
229: Pressure switch heat
source
E15 9 Yes
Numb
er
Pressure switch
heat source
No 1 (installer)
230: Source pump
overloaded
E14 9 Yes
Numb
er
Source pump
overload
No 1 (installer)
241: Flow sensor yield B63 6 No No --- Yes 1 (installer)
242: Return sensor yield B64 6 No No --- Yes 1 (installer)
243: Swimming pool sensor B13 6 No No --- Yes 1 (installer)
247: Defrosting fault 9 Yes
Numb
er
Preheating for
defrost
No 1 (installer)
320: DHW charging sensor B36 6 No No --- Yes ---
321: DHW outlet sensor B38 6 No No --- Yes ---
322: Water press 3 too high H3 6 No No --- Yes ---
323: Water press 3 too low H3 6 No No --- No ---
324: BX same sensors 3 No No --- Yes ---
325: BX/e'module same sens 3 No No --- Yes ---
327: E’module same funct 3 No No --- Yes ---
329: E’mod/m’grp same funct 3 No No --- Yes ---
330: BX1 no function 3 No No --- Yes ---
331: BX2 no function 3 No No --- Yes ---
332: BX3 no function 3 No No --- Yes ---
333: BX4 no function 3 No No --- Yes ---
334: BX5 no function 3 No No --- Yes ---
335: BX21 no function 3 No No --- Yes ---
336: BX22 no function 3 No No --- Yes ---
339: Coll pump Q5 missing 3 No No --- Yes ---
340: Coll pump Q16 missing 3 No No --- Yes ---
341: Coll sensor B6 missing 3 No No --- Yes ---
343: Solar integration missing 3 No No --- Yes ---
344: Solar buffer K8 missing 3 No No --- Yes ---
345: Sol swi pool K18
missing
3 No No --- Yes ---
350: Buffer address error 3 No No --- Yes ---
351: Prim/sys pump addr err 3 No No --- Yes ---
352: Pr’less header addr err 3 No No --- Yes ---
353: Casc sens B10 missing 3 No No --- Yes ---
354: Special sensor 2 B
X
3 No No --- Yes ---
355: 3-phase current
asymmetric
E21-
23
9 Yes
Numb
er
3-ph curr
asymmetrical
No ---
356: Flow switch consumers E24 9 Yes
Numb
er
Flow switch
consumers
No ---
357: Flow temp cooling 1 6 No No --- Yes ---
358: Soft starter E25 9 No No --- No ---
359: Valve cool Y21 missing 3 No No --- Yes ---
360: Proc valve Y22 missing 3 No No --- Yes ---
361: Source inlet B91
missing
3 No No --- Yes ---
362: Source outlet B92
missing
3 No No --- Yes ---
363: Evap sens B84 missing 3 No No --- Yes ---
364: Cool system HP wrong 3 No No --- No ---
365: DHW inst heat pump
Q34 missing
3 No No --- Yes ---
366: Room temp sensor Hx 6 No No --- Yes ---
367: Room humidity sensor
Hx
6 No No --- Yes ---
207: Fault cooling circuit LPB --- --- --- --- --- 1 (installer)
208: Flow supervision LPB --- --- --- --- --- 1 (installer)
217: Sensor fault LPB --- --- --- --- --- 1 (installer)
218: Pressure supervision LPB --- --- --- --- --- 1 (installer)
Number* These plant states do not directly lead to an error message, but first
deliver a status message upon initial startup.