Hi, I'm modelling an absorption refrigeration system using: type 1b, type 60c, type 51b, type 56, type 107 I have the following error message zone 1 surface 5 pane temperature calculation is diverging at time 1.00000TDIF:NaN ITPANE: 31 ITCALC: 1 Someone could help me ? thak you very much for your help. Marie-Esther |