diff --git a/build/systemMenu_RED/NandInitializerRed/ARM7.TWL/src/kami_pxi.c b/build/systemMenu_RED/NandInitializerRed/ARM7.TWL/src/kami_pxi.c
index 6c243b6f..82d205cb 100644
--- a/build/systemMenu_RED/NandInitializerRed/ARM7.TWL/src/kami_pxi.c
+++ b/build/systemMenu_RED/NandInitializerRed/ARM7.TWL/src/kami_pxi.c
@@ -35,6 +35,7 @@ typedef unsigned long dword;    /* Don't change */
 #define BOOLEAN int
 
 extern BOOL FATFSi_nandRtfsIo( int driveno, dword block, void* buffer, word count, BOOLEAN reading);
+extern BOOL sdmcFormatNandLog( BOOL verify_flag);
 
 /*---------------------------------------------------------------------------*
     定数定義
@@ -131,6 +132,7 @@ static void KamiPxiCallback(PXIFifoTag tag, u32 data, BOOL err)
 		case KAMI_NVRAM_IO:
 		case KAMI_MCU_IO:
 		case KAMI_CDC_GO_DSMODE:
+		case KAMI_CLEAR_NAND_ERRORLOG:
             if (!OS_SendMessage(&kamiWork.msgQ, NULL, OS_MESSAGE_NOBLOCK))
             {
                 KamiReturnResult(kamiWork.command, KAMI_PXI_RESULT_FATAL_ERROR);
@@ -277,6 +279,19 @@ static void KamiThread(void *arg)
 			}
 			break;
 
+		case KAMI_CLEAR_NAND_ERRORLOG:
+			{
+				if (sdmcFormatNandLog(TRUE))
+				{
+		            KamiReturnResult(kamiWork.command, KAMI_PXI_RESULT_SUCCESS);
+				}
+				else
+				{
+		            KamiReturnResult(kamiWork.command, KAMI_PXI_RESULT_SUCCESS_FALSE);
+				}
+			}
+			break;
+
         default:
             KamiReturnResult(kamiWork.command, KAMI_PXI_RESULT_INVALID_COMMAND);
         }
diff --git a/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/include/kami_pxi.h b/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/include/kami_pxi.h
index c35eb26a..73d26325 100644
--- a/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/include/kami_pxi.h
+++ b/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/include/kami_pxi.h
@@ -63,6 +63,7 @@ KAMIResult kamiNandIo(u32 block, void* buffer, u32 count, BOOL is_read);
 KAMIResult kamiNvramIo(u32 address, void* buffer, u32 size, BOOL is_read);
 KAMIResult kamiMcuIo(u32 reg_no, void* buffer, u32 value, BOOL is_read);
 KAMIResult kamiCDC_GoDsMode( void );
+KAMIResult kamiClearNandErrorLog( void );
 
 // (重要)
 // ARM7が読み書きするためリード後はInvalidate、ライト前はフラッシュしてください。
diff --git a/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/kami_pxi.c b/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/kami_pxi.c
index c6ae12d7..bf83c127 100644
--- a/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/kami_pxi.c
+++ b/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/kami_pxi.c
@@ -309,6 +309,42 @@ KAMIResult kamiCDC_GoDsMode( void )
     return KAMI_RESULT_SEND_ERROR;
 }
 
+/*---------------------------------------------------------------------------*
+  Name:         kamiClearNandErrorLog
+
+  Description:  NVRAMのNANDエラー情報をクリアします。
+
+  Arguments:    None.
+
+  Returns:      
+ *---------------------------------------------------------------------------*/
+
+KAMIResult kamiClearNandErrorLog( void )
+{
+    OSIntrMode enabled;
+
+	// ロック
+    enabled = OS_DisableInterrupts();
+    if (kamiWork.lock)
+    {
+        (void)OS_RestoreInterrupts(enabled);
+        return KAMI_RESULT_BUSY;
+    }
+    kamiWork.lock = TRUE;
+    (void)OS_RestoreInterrupts(enabled);
+
+    kamiWork.callback = NULL;
+    kamiWork.arg = 0;
+    kamiWork.data = 0;
+
+    if (KamiSendPxiCommand(KAMI_CLEAR_NAND_ERRORLOG, 0, (u8)0))
+    {
+	    KamiWaitBusy();
+	    return (KAMIResult)kamiWork.result;
+    }
+    return KAMI_RESULT_SEND_ERROR;
+}
+
 /*---------------------------------------------------------------------------*
 	PXI関連
  *---------------------------------------------------------------------------*/
diff --git a/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/process_nandfirm.c b/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/process_nandfirm.c
index 967b8660..3ea23f69 100644
--- a/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/process_nandfirm.c
+++ b/build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/process_nandfirm.c
@@ -494,6 +494,13 @@ static BOOL WriteNandfirm(char* file_name)
 	}
 #endif
 
+	// NANDログ情報のクリア
+	if (kamiClearNandErrorLog() != KAMI_RESULT_SUCCESS)
+	{
+		kamiFontPrintfConsoleEx(1, "Fail kamiClearNandErrorLog()\n");
+		result = FALSE;		
+	}
+
 	kamiFontPrintfConsoleEx(0, "NAND Firm Import Start!\n");
 
 	// NAND書き込み
diff --git a/build/systemMenu_RED/NandInitializerRed/common/include/fifo.h b/build/systemMenu_RED/NandInitializerRed/common/include/fifo.h
index 47af57a9..4e616355 100644
--- a/build/systemMenu_RED/NandInitializerRed/common/include/fifo.h
+++ b/build/systemMenu_RED/NandInitializerRed/common/include/fifo.h
@@ -64,7 +64,8 @@ typedef enum KamiCommand
     KAMI_NAND_IO,
     KAMI_NVRAM_IO,
     KAMI_MCU_IO,
-    KAMI_CDC_GO_DSMODE
+    KAMI_CDC_GO_DSMODE,
+    KAMI_CLEAR_NAND_ERRORLOG    
 }
 KamiCommand;