From d33b24c2816df1fc763231fb9696f5e9d3c1c1cb Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Mon, 4 Feb 2019 20:19:34 +0100
Subject: [PATCH] Unload filament after MMU load failed so MMU unit can be
 controlled by its buttons.

---
 Firmware/mmu.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Firmware/mmu.cpp b/Firmware/mmu.cpp
index 5d4b9eecd..36dd5a360 100644
--- a/Firmware/mmu.cpp
+++ b/Firmware/mmu.cpp
@@ -1394,7 +1394,10 @@ void mmu_continue_loading()
 			current_position[Y_AXIS] = Y_PAUSE_POS;
 			plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 50, active_extruder);
 			st_synchronize();
-			//set nozzle target temperature to 0
+
+			mmu_command(MMU_CMD_U0);
+			manage_response(false, true, MMU_UNLOAD_MOVE);
+
 			setAllTargetHotends(0);
 			lcd_setstatuspgm(_i("MMU load failed     "));////MSG_RECOVERING_PRINT c=20 r=1
 			mmu_fil_loaded = false; //so we can retry same T-code again