Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r844f98879b7425c207b58562e623ab960adbc357 -r124b3745d056ac667280cfa0ae1fab8610d44ed2
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 844f98879b7425c207b58562e623ab960adbc357)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 124b3745d056ac667280cfa0ae1fab8610d44ed2)
@@ -601,6 +601,7 @@
     if ( diOccl > ( OCCLUSION_THRESHOLD_OFFSET + dialInPumpOcclusionAfterCartridgeInstall ) )
     {
         signalDialInPumpHardStop();  // Stop pump immediately
+        cmdStopDGTrimmerHeater();
         SET_ALARM_WITH_1_U32_DATA( ALARM_ID_OCCLUSION_DIAL_IN_PUMP, diOccl )
     }
     else if ( diOccl < ( OCCLUSION_CLEAR_THRESHOLD_OFFSET + dialInPumpOcclusionAfterCartridgeInstall ) )