Index: fact/BIASctrl/User.cc
===================================================================
--- fact/BIASctrl/User.cc	(revision 10118)
+++ fact/BIASctrl/User.cc	(revision 10119)
@@ -213,5 +213,5 @@
 	for (int i=Crt.Min; i<=Crt.Max; i++) for (int j=Chan.Min; j<=Chan.Max; j++) {
 	  // Check that indices are in legal range
-	  if (i<0 || i>=(int) Crates.size() || j<0 || j >=NUM_CHANNELS) continue;
+	  if (i<0 || i>=(int) Crates.size() || j<0 || j >=MAX_NUM_BOARDS*NUM_CHANNELS) continue;
  
 	  // Voltage change (number starts with + oder -) ignored if current DAC value is zero