Index: trunk/ppViz/src/ppCoord/ppCoordLoop.c
===================================================================
--- trunk/ppViz/src/ppCoord/ppCoordLoop.c	(revision 27572)
+++ trunk/ppViz/src/ppCoord/ppCoordLoop.c	(revision 27573)
@@ -73,5 +73,5 @@
     pmChip *chip;                       // Chip from FPA
     while ((chip = pmFPAviewNextChip(view, astromFile->fpa, 1))) {
-        if (!chip->process || !chip->file_exists) {
+        if (!chip->process || !chip->file_exists || !chip->data_exists) {
             continue;
         }