octoprint fan error work

Firmware/Marlin_main.cpp

@@ -9432,7 +9432,6 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
 	if(!saved_extruder_relative_mode){
 		enquecommand(PSTR("M83"), true);
 	}
-	
 	//retract 45mm/s
 	// A single sprintf may not be faster, but is definitely 20B shorter
 	// than a sequence of commands building the string piece by piece

Firmware/messages.c

@@ -128,3 +128,4 @@ const char MSG_ENDSTOP_OPEN[] PROGMEM_N1 = "open"; ////
 const char MSG_POWERUP[] PROGMEM_N1 = "PowerUp"; ////
 const char MSG_ERR_STOPPED[] PROGMEM_N1 = "Printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)"; ////
 const char MSG_ENDSTOP_HIT[] PROGMEM_N1 = "TRIGGERED"; ////
+const char MSG_OCTOPRINT_PAUSE[] PROGMEM_N1 = "// action:pause"; ////

Firmware/messages.h

@@ -129,6 +129,7 @@ extern const char MSG_ERR_STOPPED[];
 extern const char MSG_ENDSTOP_HIT[];
 extern const char MSG_EJECT_FILAMENT[];
 extern const char MSG_CUT_FILAMENT[];
+extern const char MSG_OCTOPRINT_PAUSE[];
 
 #if defined(__cplusplus)
 }

Firmware/temperature.cpp

@@ -40,7 +40,7 @@
 #include <avr/wdt.h>
 #include "adc.h"
 #include "ConfigurationStore.h"
-
+#include "messages.h"
 #include "Timer.h"
 #include "Configuration_prusa.h"
 
@@ -541,18 +541,18 @@ static void fanSpeedErrorBeep(const char *serialMsg, const char *lcdMsg){
 void fanSpeedError(unsigned char _fan) {
 	if (get_message_level() != 0 && isPrintPaused) return; 
 	//to ensure that target temp. is not set to zero in case taht we are resuming print 
-	if (card.sdprinting) {
+	if (card.sdprinting || is_usb_printing) {
 		if (heating_status != 0) {
 			lcd_print_stop();
 		}
 		else {
 			fan_check_error = EFCE_DETECTED;
-      SERIAL_ECHOLNPGM("// action:pause"); //for octoprint
+      SERIAL_PROTOCOLLNRPGM(MSG_OCTOPRINT_PAUSE);
 		}
 	}
 	else {
+			SERIAL_PROTOCOLLNRPGM(MSG_OCTOPRINT_PAUSE); //for octoprint
 			setTargetHotend0(0);
-			SERIAL_ECHOLNPGM("// action:pause"); //for octoprint
 	}
 	switch (_fan) {
 	case 0:	// extracting the same code from case 0 and case 1 into a function saves 72B
@@ -562,6 +562,7 @@ void fanSpeedError(unsigned char _fan) {
 		fanSpeedErrorBeep(PSTR("Print fan speed is lower than expected"), PSTR("Err: PRINT FAN ERROR") );
 		break;
 	}
+  SERIAL_PROTOCOLLNRPGM(MSG_OK);
 }
 #endif //(defined(TACH_0) && TACH_0 >-1) || (defined(TACH_1) && TACH_1 > -1)