Index: firmware/App/Controllers/ROPump.c
===================================================================
diff -u -rb576eac158a7bcffd16012dcd5d737e7df4f61d9 -r7b70f5410bf7532b1722be7310e74e998e387cb9
--- firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision b576eac158a7bcffd16012dcd5d737e7df4f61d9)
+++ firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision 7b70f5410bf7532b1722be7310e74e998e387cb9)
@@ -75,7 +75,7 @@
 static F32 roPumpDutyCyclePctSet;                                                                   ///< Currently set RO pump PWM duty cycle.
 static OVERRIDE_F32_T roPumpOpenLoopTargetDutyCycle;                                                ///< Target RO pump open loop PWM.
 static BOOL roPumpStartControl;                                                                     ///< boolean to determine when closed loop flow control starts
-static U32 timeSinceStart;                                                                          ///< Time when RO pump is started from off state.
+static U32 timeSinceP12Started;                                                                     ///< Time when RO pump is started from off state.
 
 // ********** private function prototypes **********
 
@@ -132,7 +132,7 @@
     roPumpOpenLoopTargetDutyCycle.ovData        = 0.0;
     roPumpOpenLoopTargetDutyCycle.ovInitData    = 0.0;
     roPumpOpenLoopTargetDutyCycle.override      = OVERRIDE_RESET;
-    timeSinceStart                              = 0;
+    timeSinceP12Started                         = 0;
 
     stopROPump();
 }
@@ -190,7 +190,7 @@
 {
     RO_PUMP_STATE_T state   = RO_PUMP_OFF_STATE;
     isROPumpOn              = FALSE;
-    timeSinceStart          = 0;
+    timeSinceP12Started     = 0;
 
     // If there is a target flow set, transition to the PI controller and control to flow
     if ( getTargetROPumpFlowRateMLPM() > 0 )
@@ -225,7 +225,7 @@
 
     if ( state != RO_PUMP_OFF_STATE )
     {
-        timeSinceStart = getMSTimerCount();
+        timeSinceP12Started = getMSTimerCount();
     }
 
     return state;
@@ -606,13 +606,13 @@
 
 /*********************************************************************//**
  * @brief
- * The exemptROPumpLowFlowAlarm function gets the flag whether or not
+ * The isROPumpLowflowAlarmExempt function gets the flag whether or not
  * to exempt the low flow alarm.
  * @details \b Inputs: none
  * @details \b Outputs: none
- * @return the flag whether or not to exempt low flow alarm.
+ * @return TRUE if low flow alarm is exempt, FALSE if not.
  *************************************************************************/
-BOOL exemptROPumpLowFlowAlarm( void )
+BOOL isROPumpLowflowAlarmExempt( void )
 {
     BOOL result = FALSE;
 
@@ -634,7 +634,7 @@
  *************************************************************************/
 static U32 getROPumpLowFlowExemptTimer( void )
 {
-    return timeSinceStart;
+    return timeSinceP12Started;
 }
 
 /*********************************************************************//**