Index: firmware/App/Controllers/Voltages.c
===================================================================
diff -u -rcae71432c1d7455557834d269cceac0db726d151 -rc4d2a4926df0e7c8200218008f2212b3aeaee35c
--- firmware/App/Controllers/Voltages.c	(.../Voltages.c)	(revision cae71432c1d7455557834d269cceac0db726d151)
+++ firmware/App/Controllers/Voltages.c	(.../Voltages.c)	(revision c4d2a4926df0e7c8200218008f2212b3aeaee35c)
@@ -114,7 +114,7 @@
     -0.1,   // MONITORED_LINE_FPGA_VPVN_V
     4.5,    // MONITORED_LINE_PS_GATE_DRIVER_V
     21.6,   // MONITORED_LINE_NON_ISOLATED_24_V_MAIN
-    0.0,    // MONITORED_LINE_24V_PRIM_HTR_V
+    21.6,   // MONITORED_LINE_24V_PRIM_HTR_V
     0.0,    // MONITORED_LINE_24V_PRIM_HTR_GND_V
     0.0,    // MONITORED_LINE_24V_SEC_HTR_V
     0.0     // MONITORED_LINE_24V_TRIM_HTR_V
@@ -332,7 +332,7 @@
         F32 volts = getMonitoredLineLevel( channel );
 
         if ( ( isSafetyShutdownActivated() != TRUE ) ||
-             ( ( channel != MONITORED_LINE_24V_MAIN ) && ( channel != MONITORED_LINE_24V_POWER_PRIM_HTR_V ) &&
+             ( ( channel != MONITORED_LINE_24V_POWER_PRIM_HTR_V ) &&
                ( channel != MONITORED_LINE_NON_ISOLATED_24_V_MAIN ) ) )
         {
             if ( volts > MAX_VOLTAGES[ channel ] )