diff --git a/display.c b/display.c
--- a/display.c
+++ b/display.c
@@ -498,7 +498,14 @@ void display_process(therm_settings_t* s
             // [ therm : ready to steam ]
             // [ 30 => 120 C            ]
             ssd1306_DrawString("Error:", 0, 0);
-            ssd1306_DrawString("Connect thermocouple", 1, 0);
+
+            if(status->tc_errno == 1)
+                ssd1306_DrawString("#1, Check Sensor", 1, 0);
+            else if(status->tc_errno == 4)
+                ssd1306_DrawString("#4, Check Sensor", 1, 0);
+            else
+                ssd1306_DrawString("#?, Unknown Error", 1, 0);
+
             ssd1306_DrawString("Press -> to ignore", 3, 0);
 
             // Button handler