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--></style></head><body lang=DE-CH><div class=WordSection1><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Dear all<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I am running a simulation with a Multi-Zone Building (Type 56), Solar Collector (Type 1) and among other things a heat pump. But always at a specific time the simulation stops and the programme is crashed. So there is also no error message available.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> Why does the simulation stop and what are possibilities to solve this problem?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Thanks for any help<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Frederick Gonon<o:p></o:p></span></p></div></body></html>