diff -r f9eca4a55911 -r d969e0fe05dc main/config.h
--- a/main/config.h	Thu Oct 31 22:22:22 2019 +0100
+++ b/main/config.h	Fri Nov 01 13:13:14 2019 +0100
@@ -97,6 +97,9 @@
     ML2_SETUP_UNIT1,		///< Unit 1 setup
     ML2_SETUP_UNIT2,		///< Unit 2 setup
     ML2_SETUP_UNIT3,		///< Unit 3 setup
+    ML2_ZERO_UNIT1,		///< Unit 1 set zero
+    ML2_ZERO_UNIT2,		///< Unit 2 set zero
+    ML2_ZERO_UNIT3,		///< Unit 3 set zero
     ML2_INACTIVE,		///< Inactive reached, cleanup
     ML2_DONE			///< All done
 } ML2;