Marlin and LCD issue ( FULL_GRAPHIC_SMART_CONTROLLER)

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//LCD and SD support
//#define ULTRA_LCD  //general LCD support, also 16x2
//#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
#define SDSUPPORT // Enable SD Card Support in Hardware Console
//#define SDSLOW // Use slower SD transfer mode (not normally needed - uncomment if you're getting volume init error)
//#define SD_CHECK_AND_RETRY // Use CRC checks and retries on the SD communication
//#define ENCODER_PULSES_PER_STEP 1 // Increase if you have a high resolution encoder
//#define ENCODER_STEPS_PER_MENU_ITEM 5 // Set according to ENCODER_PULSES_PER_STEP or your liking
//#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
//#define ULTIPANEL  //the UltiPanel as on Thingiverse
//#define LCD_FEEDBACK_FREQUENCY_HZ 1000	// this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
//#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click

// The MaKr3d Makr-Panel with graphic controller and SD support
// [reprap.org]
//#define MAKRPANEL

// The RepRapDiscount Smart Controller (white PC
// [reprap.org]
//#define REPRAP_DISCOUNT_SMART_CONTROLLER

// The GADGETS3D G3D LCD/SD Controller (blue PC
// [reprap.org]
//#define G3D_PANEL

// The RepRapDiscount FULL GRAPHIC Smart Controller (quadratic white PC
// [reprap.org]
//
// ==> REMEMBER TO INSTALL U8glib to your ARDUINO library folder: [code.google.com]
#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER

// The RepRapWorld REPRAPWORLD_KEYPAD v1.1
// [reprapworld.com]
//#define REPRAPWORLD_KEYPAD
//#define REPRAPWORLD_KEYPAD_MOVE_STEP 10.0 // how much should be moved when a key is pressed, eg 10.0 means 10mm per click

// The Elefu RA Board Control Panel
// [www.elefu.com]
// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: [github.com]
//#define RA_CONTROL_PANEL

//automatic expansion
#if defined (MAKRPANEL)
 #define DOGLCD
 #define SDSUPPORT
 #define ULTIPANEL
 #define NEWPANEL
 #define DEFAULT_LCD_CONTRAST 17
#endif

#if defined (REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
 #define DOGLCD
 #define U8GLIB_ST7920
 #define REPRAP_DISCOUNT_SMART_CONTROLLER
#endif

#if defined(ULTIMAKERCONTROLLER) || defined(REPRAP_DISCOUNT_SMART_CONTROLLER) || defined(G3D_PANEL)
 #define ULTIPANEL
 #define NEWPANEL
 
 #ifndef ENCODER_PULSES_PER_STEP
   #define ENCODER_PULSES_PER_STEP 1
 #endif

  #ifndef ENCODER_STEPS_PER_MENU_ITEM
    #define ENCODER_STEPS_PER_MENU_ITEM 5
  #endif
#endif
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..............................
#ifdef NEWPANEL
      #define LCD_PINS_RS 16
      #define LCD_PINS_ENABLE 17
      #define LCD_PINS_D4 23
      #define LCD_PINS_D5 25
      #define LCD_PINS_D6 27
      #define LCD_PINS_D7 29

      #ifdef REPRAP_DISCOUNT_SMART_CONTROLLER
        #define BEEPER -1
        //#define BEEPER 37 //TVJ

        #define BTN_EN1 31 //31
        #define BTN_EN2 33 //33
        #define BTN_ENC 35

        #define SDCARDDETECT 49
....................

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SERIAL_ECHO_START;
SERIAL_ECHOPAIR("enc=",(unsigned long)enc);
SERIAL_ECHOLN("");


        switch(enc)
        {
        case encrot0:
            if(lastEncoderBits==encrot3)
                encoderDiff++;
            else if(lastEncoderBits==encrot1)
                encoderDiff--;
            break;
        case encrot1:
            if(lastEncoderBits==encrot0)
                encoderDiff++;
            else if(lastEncoderBits==encrot2)
                encoderDiff--;
            break;
        case encrot2:
            if(lastEncoderBits==encrot1)
                encoderDiff++;
            else if(lastEncoderBits==encrot3)
                encoderDiff--;
            break;
        case encrot3:
            if(lastEncoderBits==encrot2)
                encoderDiff++;
            else if(lastEncoderBits==encrot0)
                encoderDiff--;
            break;
        }
    }
    lastEncoderBits = enc;
}
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Connecting...
start
Printer is now online.
echo:Marlin 1.1.0-RC6
echo: Last Updated: 2016-04-24 12:00 | Author: (none, default config)
Compiled: Jul 20 2016
echo: Free Memory: 11390  PlannerBufferBytes: 1168
echo:Hardcoded Default Settings Loaded
echo: Steps per unit:
echo:  M92 X80.00 Y80.00 Z4000.00 E500.00
echo:Maximum feedrates (mm/s):
echo:  M203 X300.00 Y300.00 Z5.00 E25.00
echo:Maximum Acceleration (mm/s2):
echo:  M201 X3000 Y3000 Z100 E10000
echo:Accelerations: P=printing, R=retract and T=travel
echo:  M204 P3000.00 R3000.00 T3000.00
echo:Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum XY jerk (mm/s),  Z=maximum Z jerk (mm/s),  E=maximum E jerk (mm/s)
echo:  M205 S0.00 T0.00 B20000 X20.00 Z0.40 E5.00
echo:Home offset (mm):
echo:  M206 X0.00 Y0.00 Z0.00
echo:Material heatup parameters:
echo:  M145 S0 H180 B70 F0
echo:  M145 S1 H240 B110 F0
echo: PID settings:
echo:  M301 P22.20 I1.08 D114.00 C100.00 L20
echo:Filament settings: Disabled
echo:  M200 D3.00
echo:  M200 D0
echo:enc=2
echo: SD card ok

Quote
ArielRi
I have the same problem, when I put your debug line my board show this:

Connecting...
start
Printer is now online.
echo:Marlin 1.1.0-RC6
echo: Last Updated: 2016-04-24 12:00 | Author: (none, default config)
Compiled: Jul 20 2016
echo: Free Memory: 11390  PlannerBufferBytes: 1168
echo:Hardcoded Default Settings Loaded
echo: Steps per unit:
echo:  M92 X80.00 Y80.00 Z4000.00 E500.00
echo:Maximum feedrates (mm/s):
echo:  M203 X300.00 Y300.00 Z5.00 E25.00
echo:Maximum Acceleration (mm/s2):
echo:  M201 X3000 Y3000 Z100 E10000
echo:Accelerations: P=printing, R=retract and T=travel
echo:  M204 P3000.00 R3000.00 T3000.00
echo:Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum XY jerk (mm/s),  Z=maximum Z jerk (mm/s),  E=maximum E jerk (mm/s)
echo:  M205 S0.00 T0.00 B20000 X20.00 Z0.40 E5.00
echo:Home offset (mm):
echo:  M206 X0.00 Y0.00 Z0.00
echo:Material heatup parameters:
echo:  M145 S0 H180 B70 F0
echo:  M145 S1 H240 B110 F0
echo: PID settings:
echo:  M301 P22.20 I1.08 D114.00 C100.00 L20
echo:Filament settings: Disabled
echo:  M200 D3.00
echo:  M200 D0
echo:enc=2
echo: SD card ok

the "enc=2" appear whitout touching anything.

Do you know how can I detect the issue?

Tkz in advance.