Program: 169881
Project: 169881
Buggy source:
@Override public void updateEntity(){
  super.updateEntity();
  if (!this.worldObj.isRemote) {
    if (this.ticks % 20 == 0) {
      for (      EntityPlayer wanJia : this.yongZhe) {
        PacketDispatcher.sendPacketToPlayer(this.getDescriptionPacket(),(Player)wanJia);
      }
      boolean isDetectThisCheck=false;
      if (this.isFunctioning()) {
        AxisAlignedBB bounds=AxisAlignedBB.getBoundingBox(this.xCoord - minCoord.x,this.yCoord - minCoord.y,this.zCoord - minCoord.z,this.xCoord + maxCoord.x + 1D,this.yCoord + maxCoord.y + 1D,this.zCoord + maxCoord.z + 1D);
        List<EntityLivingBase> entitiesNearby=worldObj.getEntitiesWithinAABB(EntityLivingBase.class,bounds);
        for (        EntityLivingBase entity : entitiesNearby) {
          if (entity instanceof EntityPlayer && (this.mode == 0 || this.mode == 1)) {
            boolean gotDisrupter=false;
            for (            ItemStack inventory : ((EntityPlayer)entity).inventory.mainInventory) {
              if (inventory != null) {
                if (inventory.getItem() instanceof ItemSignalDisrupter) {
                  if (((ItemSignalDisrupter)inventory.getItem()).getFrequency(inventory) == this.frequency) {
                    gotDisrupter=true;
                    break;
                  }
                }
              }
            }
            if (gotDisrupter) {
              if (this.isInverted) {
                isDetectThisCheck=true;
                break;
              }
              continue;
            }
            if (!this.isInverted) {
              isDetectThisCheck=true;
            }
          }
 else           if (!this.isInverted && !(entity instanceof EntityPlayer) && (this.mode == 0 || this.mode == 2)) {
            isDetectThisCheck=true;
            break;
          }
        }
      }
      if (isDetectThisCheck != this.isDetect) {
        this.isDetect=isDetectThisCheck;
        this.worldObj.notifyBlocksOfNeighborChange(this.xCoord,this.yCoord,this.zCoord,this.getBlockType().blockID);
      }
    }
  }
}

Fixed version (ground truth):
@Override public void updateEntity(){
  super.updateEntity();
  if (!this.worldObj.isRemote) {
    if (this.ticks % 20 == 0) {
      for (      EntityPlayer wanJia : this.yongZhe) {
        PacketDispatcher.sendPacketToPlayer(this.getDescriptionPacket(),(Player)wanJia);
      }
      boolean isDetectThisCheck=false;
      if (this.energy.checkExtract()) {
        AxisAlignedBB bounds=AxisAlignedBB.getBoundingBox(this.xCoord - minCoord.x,this.yCoord - minCoord.y,this.zCoord - minCoord.z,this.xCoord + maxCoord.x + 1D,this.yCoord + maxCoord.y + 1D,this.zCoord + maxCoord.z + 1D);
        List<EntityLivingBase> entitiesNearby=worldObj.getEntitiesWithinAABB(EntityLivingBase.class,bounds);
        for (        EntityLivingBase entity : entitiesNearby) {
          if (entity instanceof EntityPlayer && (this.mode == 0 || this.mode == 1)) {
            boolean gotDisrupter=false;
            for (            ItemStack inventory : ((EntityPlayer)entity).inventory.mainInventory) {
              if (inventory != null) {
                if (inventory.getItem() instanceof ItemSignalDisrupter) {
                  if (((ItemSignalDisrupter)inventory.getItem()).getFrequency(inventory) == this.frequency) {
                    gotDisrupter=true;
                    break;
                  }
                }
              }
            }
            if (gotDisrupter) {
              if (this.isInverted) {
                isDetectThisCheck=true;
                break;
              }
              continue;
            }
            if (!this.isInverted) {
              isDetectThisCheck=true;
            }
          }
 else           if (!this.isInverted && !(entity instanceof EntityPlayer) && (this.mode == 0 || this.mode == 2)) {
            isDetectThisCheck=true;
            break;
          }
        }
        this.energy.extractEnergy();
      }
      if (isDetectThisCheck != this.isDetect) {
        this.isDetect=isDetectThisCheck;
        this.worldObj.notifyBlocksOfNeighborChange(this.xCoord,this.yCoord,this.zCoord,this.getBlockType().blockID);
      }
    }
  }
}