diff --git a/src/ADCSensor.cpp b/src/ADCSensor.cpp
index c3980e0..aa7b50e 100644
--- a/src/ADCSensor.cpp
+++ b/src/ADCSensor.cpp
@@ -79,6 +79,7 @@
     }
     association = objectServer.add_interface(
         "/xyz/openbmc_project/sensors/voltage/" + name, association::interface);
+
     setInitialProperties(conn);
 }
 
@@ -167,11 +168,9 @@
         // todo read scaling factors from configuration
         try
         {
-            double nvalue = std::stod(response);
-
-            nvalue = (nvalue / sensorScaleFactor) / scaleFactor;
+            rawValue = std::stod(response);
+            double nvalue = (rawValue / sensorScaleFactor) / scaleFactor;
             nvalue = std::round(nvalue * roundFactor) / roundFactor;
-
             updateValue(nvalue);
         }
         catch (std::invalid_argument&)
@@ -193,6 +192,7 @@
     int fd = open(path.c_str(), O_RDONLY);
     if (fd < 0)
     {
+        std::cerr << "adcsensor " << name << " failed to open " << path << "\n";
         return; // we're no longer valid
     }
     inputDev.assign(fd);
@@ -201,6 +201,14 @@
         std::shared_ptr<ADCSensor> self = weakRef.lock();
         if (ec == boost::asio::error::operation_aborted)
         {
+            if (self)
+            {
+                std::cerr << "adcsensor " << self->name << " read cancelled\n";
+            }
+            else
+            {
+                std::cerr << "adcsensor read cancelled no self\n";
+            }
             return; // we're being canceled
         }
 
@@ -208,6 +216,10 @@
         {
             self->setupRead();
         }
+        else
+        {
+            std::cerr << "adcsensor weakref no self\n";
+        }
     });
 }