diff --git a/drv/b15f.cpp b/drv/b15f.cpp
index 627e3ba..427e6e4 100644
--- a/drv/b15f.cpp
+++ b/drv/b15f.cpp
@@ -278,8 +278,9 @@ bool B15F::analogEingabeSequenz(uint8_t channel_a, uint16_t* buffer_a, uint32_t
 		
 		if(aw != MSG_OK)
 		{
-			discard();
-			return analogEingabeSequenz(channel_a, buffer_a, offset_a, channel_b, buffer_b, offset_b, start, delta, count);
+			throw std::runtime_error("Out of sync");
+			//discard();
+			//return analogEingabeSequenz(channel_a, buffer_a, offset_a, channel_b, buffer_b, offset_b, start, delta, count);
 		}
 			
 		for(uint16_t i = 0; i < count; i++)
@@ -293,6 +294,7 @@ bool B15F::analogEingabeSequenz(uint8_t channel_a, uint16_t* buffer_a, uint32_t
 					std::cout << "fordere neu an" << std::endl;
 			}
 			while(!crc_ok);
+			std::cout << "OK" << std::endl;
 			
 			buffer_a[offset_a + i] = ((uint16_t) block[0]) | (((uint16_t) block[1]) << 8);
 			buffer_b[offset_b + i] = ((uint16_t) block[2]) | (((uint16_t) block[3]) << 8);
@@ -382,8 +384,10 @@ bool B15F::readBlock(uint8_t* buffer, uint16_t offset)
 			std::cout << PRE << "n_ready code: " << code << std::endl;
 			return false;
 		}
+		
 		if(n_ready >= len + 1)
 			break;
+			
 		end = std::chrono::steady_clock::now();
 		elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count();
 	}
@@ -399,6 +403,8 @@ bool B15F::readBlock(uint8_t* buffer, uint16_t offset)
 		if(code != 1)
 		{
 			std::cout << PRE << "read code: " << code << std::endl;
+			tcflush(usart, TCIFLUSH); // leere Eingangspuffer
+			writeByte(MSG_FAIL);
 			return false;
 		}
 		
@@ -419,6 +425,11 @@ bool B15F::readBlock(uint8_t* buffer, uint16_t offset)
 		crc >>= 1;
 	}
 	
+	if(TEST == 1)
+		crc = 1;
+	if(TEST > 100)
+		TEST = 0;
+	
 	if (crc == 0)
 	{
 		writeByte(MSG_OK);
diff --git a/drv/b15f.h b/drv/b15f.h
index e88e0a1..870fb1b 100644
--- a/drv/b15f.h
+++ b/drv/b15f.h
@@ -55,6 +55,7 @@ private:
 	int usart = -1;
 	uint16_t timeout = 200; // ms
 	uint16_t block_timeout = 1; // ms
+	int TEST = 0;
 
 	static B15F* instance;
 
diff --git a/drv/b15f.o b/drv/b15f.o
index b909c96..34cee54 100644
Binary files a/drv/b15f.o and b/drv/b15f.o differ
diff --git a/gnuplotscript.gp b/gnuplotscript.gp
index 055440a..76e7727 100644
--- a/gnuplotscript.gp
+++ b/gnuplotscript.gp
@@ -9,24 +9,24 @@ set x2range [5:0]
 set y2range [0:50]
 set yrange [0:50]
 set label at 2,32 'U_{DS} [V] = 300' right
-set label at 2,30 'U_{DS} [V] = 325' right
+set label at 2,31 'U_{DS} [V] = 325' right
 set label at 2,33 'U_{DS} [V] = 350' right
-set label at 2,21 'U_{DS} [V] = 375' right
+set label at 2,35 'U_{DS} [V] = 375' right
 set label at 2,21 'U_{DS} [V] = 400' right
-set label at 2,5 'U_{DS} [V] = 425' right
+set label at 2,22 'U_{DS} [V] = 425' right
 set label at 2,22 'U_{DS} [V] = 450' right
-set label at 2,12 'U_{DS} [V] = 475' right
+set label at 2,22 'U_{DS} [V] = 475' right
 set label at 2,23 'U_{DS} [V] = 500' right
-set label at 2,23 'U_{DS} [V] = 525' right
-set label at 2,2 'U_{DS} [V] = 550' right
+set label at 2,12 'U_{DS} [V] = 525' right
+set label at 2,5 'U_{DS} [V] = 550' right
 set label at 2,12 'U_{DS} [V] = 575' right
-set label at 2,13 'U_{DS} [V] = 600' right
-set label at 2,5 'U_{DS} [V] = 625' right
-set label at 2,6 'U_{DS} [V] = 650' right
-set label at 2,6 'U_{DS} [V] = 675' right
-set label at 2,2 'U_{DS} [V] = 700' right
-set label at 2,2 'U_{DS} [V] = 700' right
+set label at 2,2 'U_{DS} [V] = 600' right
+set label at 2,12 'U_{DS} [V] = 625' right
+set label at 2,2 'U_{DS} [V] = 650' right
+set label at 2,2 'U_{DS} [V] = 650' right
 set label at 2,2 'U_{DS} [V] = 700' right
+set label at 2,2 'U_{DS} [V] = 725' right
+set label at 2,2 'U_{DS} [V] = 725' right
 set y2tics
 unset ytics
 set ytics format ''
diff --git a/main b/main
index ba3e7f8..4ec05e8 100755
Binary files a/main and b/main differ
diff --git a/test_plot b/test_plot
index 2e5d10e..8eaed19 100644
Binary files a/test_plot and b/test_plot differ