--- a/thermferm/rdconfig.c Tue Aug 05 16:24:17 2014 +0200 +++ b/thermferm/rdconfig.c Tue Aug 05 21:33:06 2014 +0200 @@ -680,7 +680,7 @@ unit->idle_rangeH = 1.0; unit->idle_rangeL = -1.0; unit->prof_started = (time_t)0; - unit->PID_err_old = 0.0; + unit->PID_err_old = unit->PID_I_err = 0.0; cur = cur->xmlChildrenNode; while (cur != NULL) {