diff --git a/master/master/config.h b/master/master/config.h
--- a/master/master/config.h
+++ b/master/master/config.h
@@ -13,6 +13,14 @@
 #define MODULE_ID '1'
 
 // --------------------------------------------------------------------------
+// Error Codes config (led.c)
+// --------------------------------------------------------------------------
+
+// SD Card
+#define ERROR_SD_INIT 2
+#define ERROR_SD_PARTITION 3
+
+// --------------------------------------------------------------------------
 // Slave Sensors config (slavesensors.c)
 // --------------------------------------------------------------------------
 
diff --git a/master/master/lib/led.c b/master/master/lib/led.c
--- a/master/master/lib/led.c
+++ b/master/master/lib/led.c
@@ -4,25 +4,46 @@
  * Created: 10/25/2012 3:34:03 PM
  *  Author: ethanzonca
  */ 
-
+#include "../config.h"
 #include <avr/io.h>
+#include <util/delay.h>
+#include "led.h"
 
-void led_setup() {
+void led_setup() 
+{
 	// Configure ports/pins for LEDs
 	DDRA = 0xff;
 	//PORTA = 0x00;
 }
 
-void led_on(uint8_t led) {
+void led_on(uint8_t led) 
+{
 	// Turn the specified LED on
 	PORTA |= (1<<led);
 }
 
-void led_off(uint8_t led) {
+void led_off(uint8_t led) 
+{
 	// Turn the specified LED off
 	PORTA &= ~(1<<led);
 }
 
-void led_toggle(uint8_t led) {
+void led_toggle(uint8_t led) 
+{
 	// Toggle the specified LED 
+}
+
+// Flashes error LED a set amount of times, then leaves it on
+void led_errorcode(uint8_t code) 
+{
+	_delay_ms(400);
+	for(int i=0; i<code; i++) 
+	{
+		led_on(ERROR);
+		_delay_ms(150);
+		led_off(ERROR);
+		_delay_ms(150);
+	}
+	_delay_ms(400);
+	led_on(ERROR);
 }
\ No newline at end of file
diff --git a/master/master/lib/led.h b/master/master/lib/led.h
--- a/master/master/lib/led.h
+++ b/master/master/lib/led.h
@@ -18,6 +18,6 @@ void led_setup();
 void led_on(uint8_t led);
 void led_off(uint8_t led);
 void led_toggle(uint8_t led);
-
+void led_errorcode(uint8_t code);
 
 #endif /* LED_H_ */
diff --git a/master/master/lib/logger.c b/master/master/lib/logger.c
--- a/master/master/lib/logger.c
+++ b/master/master/lib/logger.c
@@ -19,17 +19,7 @@
 #include "sd/sd_raw.h"
 #include "sd/sd_raw_config.h"
 #include "logger.h"
-
-
-/* 
-	//config edits
-  * By changing the MCU* variables in the Makefile, you can use other Atmel
-  * microcontrollers or different clock speeds. You might also want to change
-  * the configuration defines in the files fat_config.h, partition_config.h,
-  * sd_raw_config.h and sd-reader_config.h. For example, you could disable
-  * write support completely if you only need read support.
- */
-
+#include "led.h"
 
 struct partition_struct* partition;
 struct fat_fs_struct* fs;
@@ -42,7 +32,9 @@ void logger_setup()
 
 	if(!sd_raw_init())
 	{
-		// initialization failed
+		// Initializing SD card failed!
+		// Error opening partition. MBR might be screwed up.
+		led_errorcode(ERROR_SD_INIT);
 		return;
 	}
 
@@ -55,14 +47,9 @@ void logger_setup()
 	// Check that partition was created correctly
 	if(!partition)
 	{
-		// error
-		// If the partition did not open, assume the storage device is a "superfloppy", i.e. has no MBR.
-		partition = partition_open(sd_raw_read, sd_raw_read_interval, sd_raw_write, sd_raw_write_interval, -1);
-		if(!partition)
-		{
-			// opening partition failed
-			return;
-		}
+		// Error opening partition. MBR might be screwed up.
+		led_errorcode(ERROR_SD_PARTITION);
+		return;
 	}
 	
 	
diff --git a/master/master/master.c b/master/master/master.c
--- a/master/master/master.c
+++ b/master/master/master.c
@@ -51,7 +51,8 @@ int main(void)
 	serial0_sendString("\r\n\r\n---------------------------------\r\nHAB Controller 1.0 - Initialized!\r\n---------------------------------\r\n\r\n");
 	
 	led_on(POWER);
-		
+	
+	
 	// Buffer for string operations
 	char logbuf[32];
 	const char* logBufPtr = logbuf;