diff --git a/Core/Src/main.c b/Core/Src/main.c
index 521d565..3026162 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -376,6 +376,9 @@ void Error_Handler(void) {
   /* User can add his own implementation to report the HAL error return state */
   __disable_irq();
   while (1) {
+    ts_sm_set_relay_position(RELAY_NEG, 0);
+    ts_sm_set_relay_position(RELAY_POS, 0);
+    ts_sm_set_relay_position(RELAY_PRECHARGE, 0);
   }
   /* USER CODE END Error_Handler_Debug */
 }
diff --git a/Core/Src/stm32f3xx_it.c b/Core/Src/stm32f3xx_it.c
index 182abcb..2c26531 100644
--- a/Core/Src/stm32f3xx_it.c
+++ b/Core/Src/stm32f3xx_it.c
@@ -74,6 +74,7 @@ void NMI_Handler(void)
   /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
   while (1)
   {
+    Error_Handler();
   }
   /* USER CODE END NonMaskableInt_IRQn 1 */
 }
@@ -89,6 +90,7 @@ void HardFault_Handler(void)
   while (1)
   {
     /* USER CODE BEGIN W1_HardFault_IRQn 0 */
+    Error_Handler();
     /* USER CODE END W1_HardFault_IRQn 0 */
   }
 }
@@ -104,6 +106,7 @@ void MemManage_Handler(void)
   while (1)
   {
     /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
+    Error_Handler();
     /* USER CODE END W1_MemoryManagement_IRQn 0 */
   }
 }
@@ -119,6 +122,7 @@ void BusFault_Handler(void)
   while (1)
   {
     /* USER CODE BEGIN W1_BusFault_IRQn 0 */
+    Error_Handler();
     /* USER CODE END W1_BusFault_IRQn 0 */
   }
 }
@@ -134,6 +138,7 @@ void UsageFault_Handler(void)
   while (1)
   {
     /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
+    Error_Handler();
     /* USER CODE END W1_UsageFault_IRQn 0 */
   }
 }