diff --git a/tcl/ma6.config b/tcl/ma6.config
index 7686898..3c34aef 100644
--- a/tcl/ma6.config
+++ b/tcl/ma6.config
@@ -5,14 +5,14 @@ device stick_menu "ma6 dil2 dil3 dil4 coil"
 
 makenv tt -driver [lsdriver] {
   lsc_sensor tm A -sensor x48581 -sensorname VTI
+  lsc_sensor ts C -sensorname sample
+  lsc_sensor ts_2 D  -sensor code -sensorname sample2
 # 2023-07-06: sample sensor seems defect, use hx sensor
-#  lsc_sensor ts C -sensorname sample
-#  lsc_sensor ts_2 D  -sensor code -sensorname sample2
-  lsc_sensor ts D -sensorname sample
-  lsc_sensor ts_2 C  -sensor code -sensorname sample2
+#  lsc_sensor ts D -sensorname sample
+#  lsc_sensor ts_2 C  -sensor code -sensorname sample2
   lsc_loop set -loop 1 -channel A -maxheater 32W -resist 80Ohm -color green
   if {[lsdriver] eq "336_lsc"} {
-    lsc_loop setsamp -loop 2 -channel D -maxheater 62.5W -resist 20Ohm -color dark_green -loopname sample
+    lsc_loop setsamp -loop 2 -channel C -maxheater 62.5W -resist 20Ohm -color dark_green -loopname sample
   }
 }
 
diff --git a/tcl/ma6.stick b/tcl/ma6.stick
index 9870b81..a1fbd2c 100644
--- a/tcl/ma6.stick
+++ b/tcl/ma6.stick
@@ -1,4 +1,4 @@
 stickDesc = standard MA6 stick
 
-stick_sensors x63163 undefined
-# stick_sensors x63161 x63163
+stick_sensors x63161 undefined
+#stick_sensors x63161 x63163  # sensor 2 wiring defect