From e4ee607fc8cc925827d0e3ab7447251c720f73a1 Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Tue, 18 Sep 2018 21:16:07 -0500 Subject: [PATCH] Fix Dual X FRS in M600 Co-Authored-By: InsanityAutomation --- Marlin/src/gcode/feature/pause/M600.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Marlin/src/gcode/feature/pause/M600.cpp b/Marlin/src/gcode/feature/pause/M600.cpp index 5bb54de65c..c471e03c6d 100644 --- a/Marlin/src/gcode/feature/pause/M600.cpp +++ b/Marlin/src/gcode/feature/pause/M600.cpp @@ -60,7 +60,7 @@ void GcodeSuite::M600() { int8_t DXC_ext = target_extruder; if (!parser.seen('T')) { // If no tool index is specified, M600 was (probably) sent in response to filament runout. // In this case, for duplicating modes set DXC_ext to the extruder that ran out. - #if ENABLED(FILAMENT_RUNOUT_SENSOR) + #if ENABLED(FILAMENT_RUNOUT_SENSOR) && NUM_RUNOUT_SENSORS > 1 if (dxc_is_duplicating()) DXC_ext = (READ(FIL_RUNOUT2_PIN) == FIL_RUNOUT_INVERTING) ? 1 : 0; #else