diff -r 31b14c9ac625 -r 750f2468dec5 thermferm/rdconfig.c
--- a/thermferm/rdconfig.c	Sat Mar 05 12:50:23 2016 +0100
+++ b/thermferm/rdconfig.c	Fri Mar 11 20:27:02 2016 +0100
@@ -493,15 +493,15 @@
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_IGAIN", "%.2f", tmp3->PID_cool->iGain)) < 0) {
+		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_IGAIN", "%.3f", tmp3->PID_cool->iGain)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-	        if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_PGAIN", "%.2f", tmp3->PID_cool->pGain)) < 0) {
+	        if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_PGAIN", "%.3f", tmp3->PID_cool->pGain)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-	        if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_DGAIN", "%.2f", tmp3->PID_cool->dGain)) < 0) {
+	        if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_DGAIN", "%.3f", tmp3->PID_cool->dGain)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
@@ -517,10 +517,6 @@
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_ERRLAST", "%.2f", tmp3->PID_cool->ErrLast)) < 0) {
-		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
-		    return 1;
-		}
 		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDC_ISTATE", "%.2f", tmp3->PID_cool->iState)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
@@ -551,15 +547,15 @@
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_IGAIN", "%.2f", tmp3->PID_heat->iGain)) < 0) {
+		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_IGAIN", "%.3f", tmp3->PID_heat->iGain)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_PGAIN", "%.2f", tmp3->PID_heat->pGain)) < 0) {
+		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_PGAIN", "%.3f", tmp3->PID_heat->pGain)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_DGAIN", "%.2f", tmp3->PID_heat->dGain)) < 0) {
+		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_DGAIN", "%.3f", tmp3->PID_heat->dGain)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
@@ -571,10 +567,6 @@
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
 		}
-		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_ERRLAST", "%.2f", tmp3->PID_heat->ErrLast)) < 0) {
-		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
-		    return 1;
-		}
 		if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PIDH_ISTATE", "%.2f", tmp3->PID_heat->iState)) < 0) {
 		    syslog(LOG_NOTICE, "wrconfig: error at xmlTextWriterWriteFormatElement");
 		    return 1;
@@ -1250,12 +1242,6 @@
 		unit->PID_cool->Err = val;
 	    xmlFree(key);
 	}
-	if ((!xmlStrcmp(cur->name, (const xmlChar *)"PIDC_ERRLAST"))) {
-	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
-	    if (sscanf((const char *)key, "%f", &val) == 1)
-		unit->PID_cool->ErrLast = val;
-	    xmlFree(key);
-	}
 	if ((!xmlStrcmp(cur->name, (const xmlChar *)"PIDC_ISTATE"))) {
 	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
 	    if (sscanf((const char *)key, "%f", &val) == 1)
@@ -1326,12 +1312,6 @@
 		unit->PID_heat->Err = val;
 	    xmlFree(key);
 	}
-	if ((!xmlStrcmp(cur->name, (const xmlChar *)"PIDH_ERRLAST"))) {
-	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
-	    if (sscanf((const char *)key, "%f", &val) == 1)
-		unit->PID_heat->ErrLast = val;
-	    xmlFree(key);
-	}
 	if ((!xmlStrcmp(cur->name, (const xmlChar *)"PIDH_ISTATE"))) {
 	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
 	    if (sscanf((const char *)key, "%f", &val) == 1)