Fix Max fan speed with Deconfigured DIMM

Fan Speeds Remain at Maximum Speed With Deconfigured DIMMs
Tested: Injected Errors on DIMMs.
Signed-off-by: Sheldon Bailey <baileysh@us.ibm.com>
Change-Id: I797698f888cd9fb431d4f490c144eb5ad942bcd8
diff --git a/occ_status.cpp b/occ_status.cpp
index cbacd1a..6174c91 100644
--- a/occ_status.cpp
+++ b/occ_status.cpp
@@ -512,7 +512,7 @@
         }
 
 #ifdef READ_OCC_SENSORS
-        manager.setSensorValueToNonFunctional(instance);
+        manager.setSensorValueToNaN(instance);
 #endif
 
         // See occReadRetries for number of retry attempts.