diff --git a/site_ansto/instrument/pelican/config/beamline/sct_power.tcl b/site_ansto/instrument/pelican/config/beamline/sct_power.tcl
index 921c8277..12960556 100644
--- a/site_ansto/instrument/pelican/config/beamline/sct_power.tcl
+++ b/site_ansto/instrument/pelican/config/beamline/sct_power.tcl
@@ -345,7 +345,11 @@ proc ::scobj::ag1010::rdValue {} {
   #set ns [sct]
   if {[ catch {
       set data [string trim [sct result] " "]
-      if {[string length $data] < 1} {
+      broadcast $data
+      if {[string first "failed" $data] != -1} {
+        broadcast "Error in rdValue: $data"
+        return -code error "$data"
+      } elseif {[string length $data] < 1} {
         broadcast "Error in rdValue: no message returned from device"
         return -code error "Error in rdValue: no message returned from device"
       }
@@ -596,18 +600,18 @@ proc createNode {scobj_hpath sct_controller cmdGroup varName readable writable p
           hsetprop $nodeName read    ${ns}::getValue $scobj_hpath $rdFunc $rdPara
           hsetprop $nodeName $rdFunc ${ns}::$rdFunc
           if {$pollEnabled == 1} {
-            if {[SplitReply [environment_simulation]]=="false"} {
+            #if {[SplitReply [environment_simulation]]=="false"} {
               $sct_controller poll $nodeName
-            }
+            #}
           }
         }
 	if {$writable == 1} {
 	  hsetprop $nodeName write   ${ns}::setValue $scobj_hpath $rdFunc $rdPara $wrPara 
 	  hsetprop $nodeName $rdFunc ${ns}::$rdFunc
 	  if {$pollEnabled == 1} {
-	    if {[SplitReply [environment_simulation]]=="false"} {
+	    #if {[SplitReply [environment_simulation]]=="false"} {
 	      $sct_controller write $nodeName
-	    }
+	    #}
 	  }
 	}
 	if {1 < [string length $unit]} {