analogRead only works in Arduino IDE[solved]

[flopp]

Arduino Nano, Arduino IDE 1.6.8.
I am reading 4 analog inputs, everything works fine when I have the Node powered to my PC and running AIDE with Monitor opened , if I close the Monitor it goes into a special mode waiting for programming(this is normal) but when I power the Node from the wall(USB) it doesn't send Child data. I see the Node is registering in Domoticz but no Child data.

If i remove the delay(5000) or gw.wait(5000), just before sending Child data, it doesn't work in Arduino IDE either, very strange for me.

#include <MySensor.h>  
#include <SPI.h>

#define CHILD_ID_MQ2 0
#define CHILD_ID_MQ3 1
#define CHILD_ID_MQ7 2
#define CHILD_ID_MQ135 3

unsigned long SLEEP_TIME = 60000;

const int MQ2 = A0; //GAS sensor output pin to Arduino analog A0 pin
const int MQ3 = A1; //GAS sensor output pin to Arduino analog A0 pin
const int MQ7 = A2; //GAS sensor output pin to Arduino analog A0 pin
const int MQ135 = A3; //GAS sensor output pin to Arduino analog A0 pin

int mq2;
int mq3;
int mq7;
int mq135;

MySensor gw;
MyMessage MQ2Msg(CHILD_ID_MQ2, V_LEVEL);
MyMessage MQ3Msg(CHILD_ID_MQ3, V_LEVEL);
MyMessage MQ7Msg(CHILD_ID_MQ7, V_LEVEL);
MyMessage MQ135Msg(CHILD_ID_MQ135, V_LEVEL);

void setup()
{
  gw.begin();

  gw.sendSketchInfo("Multi MQ Sensors", "1.0");

  gw.present(CHILD_ID_MQ2, S_AIR_QUALITY);
  gw.present(CHILD_ID_MQ3, S_AIR_QUALITY);
  gw.present(CHILD_ID_MQ7, S_AIR_QUALITY);
  gw.present(CHILD_ID_MQ135, S_AIR_QUALITY);
  
  Serial.begin(115200); //Initialize serial port - 9600 bps
  
}

void loop()
{
  mq2 = analogRead(MQ2);
  //gw.wait(5000);
  mq3 = analogRead(MQ3);
  //gw.wait(5000);
  mq7 = analogRead(MQ7);
  //gw.wait(5000);
  mq135 = analogRead(MQ135);
  delay(5000);
  gw.send(MQ2Msg.set(mq2));
  gw.send(MQ3Msg.set(mq3));
  gw.send(MQ7Msg.set(mq7));
  gw.send(MQ135Msg.set(mq135));
  gw.sleep(SLEEP_TIME);
}

I had some other strange errors, sometimes when I rebooted I could send to GW.

After I changed the Nano to Pro Mini it works all the time and every where. I think I got a damaged Nano, even if it was working perfect for month as another Node.