Index: firmware/App/Controllers/DrainPump.c
===================================================================
diff -u -rc081112c61e0d85854e8f1e604ac7f1f37c2ec02 -r0953a2a6940f9f096fa98cc1e8a5578deab4d8ef
--- firmware/App/Controllers/DrainPump.c	(.../DrainPump.c)	(revision c081112c61e0d85854e8f1e604ac7f1f37c2ec02)
+++ firmware/App/Controllers/DrainPump.c	(.../DrainPump.c)	(revision 0953a2a6940f9f096fa98cc1e8a5578deab4d8ef)
@@ -64,7 +64,7 @@
 } DRAIN_PUMP_SELF_TEST_STATE_T;
 
 // pin assignment for pump enable
-#define DRAIN_PUMP_ENABLE_SPI3_PORT_MASK    0x00000020  // (CS5 - re-purposed as input GPIO)
+#define DRAIN_PUMP_ENABLE_SPI3_PORT_MASK    0x00000020  // (CS5 - re-purposed as output GPIO)
 // drain pump enable macros
 #define SET_DRAIN_PUMP_ENABLE()             {mibspiREG3->PC3 |= DRAIN_PUMP_ENABLE_SPI3_PORT_MASK;}
 #define CLR_DRAIN_PUMP_ENABLE()             {mibspiREG3->PC3 &= ~DRAIN_PUMP_ENABLE_SPI3_PORT_MASK;}