The HelloHacker device uses two LEDs (Green and Red) to communicate its current operational status. Understanding these indicators will help you quickly identify the device state and troubleshoot any issues.
LED Behavior Legend
LED ON: Solid light
LED OFF: No light
BLINK: LED flashes on and off repeatedly
BLINK(n): LED blinks n times in sequence, then pauses
Normal Operation States
Green LED | Red LED | Status | Description |
ON | OFF | Normal Operation | Device is functioning correctly and connected |
System Startup States
Green LED | Red LED | Status | Description |
BLINK(4) | OFF | Booting | Device is starting up |
BLINK(2) | BLINK(2) | Configuration Portal | Device is in configuration mode |
Quality Control (QC) States
Green LED | Red LED | Status | Description |
BLINK(1) | BLINK(1) | QC Active | Quality control testing in progress |
ON | ON | QC Loading/Complete | QC mode loading or finished |
Network and Connection Issues
Green LED | Red LED | Status | Description |
OFF | BLINK(2) | No Ethernet | Network cable disconnected or no network |
OFF | BLINK(4) | No IP Address | Connected but unable to obtain IP address |
OFF | BLINK(5) | Remote Server Unavailable | Cannot reach HelloHacker cloud services |
OFF | BLINK(6) | IoT Hub Connection Failed | Unable to connect to Azure IoT Hub |
Device Identity and Configuration Issues
Green LED | Red LED | Status | Description |
OFF | BLINK(3) | No Device Identity | Device not properly registered or configured |
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Update and Maintenance States
Green LED | Red LED | Status | Description |
BLINK(2) | OFF | Firmware Update | Device is downloading/installing firmware |
BLINK(1) | BLINK(1) | Installing Updates | System updates being applied |
OFF | ON | Reboot Scheduled | Device will reboot in 10 minutes |
Administrative States
Green LED | Red LED | Status | Description |
ON | BLINK(2) | SSH Access Active | Remote SSH access is temporarily enabled |
ON | ON | Hard Reset in Progress | Factory reset is being performed |
ON | ON | Soft Reset in Progress | Network configuration reset in progress |
Error States
Green LED | Red LED | Status | Description |
ON | BLINK(1) | Temperature Warning | Device temperature exceeds safe limits |
ON | BLINK(2) | Network Hardware Failure | Network interface hardware issue |
OFF | BLINK(8) | Product Deactivated | Device has been remotely deactivated |
Button Interaction States
Green LED | Red LED | Status | Description |
BLINK(4) | BLINK(4) | Both Buttons Pressed | Both front and back buttons held (Ethernet connected) |
OFF | BLINK(2) | Back Button Pressed | Back button held (No Ethernet) |
BLINK(2) | OFF | Front Button Pressed | Front button held during grace period or normal operation |
Troubleshooting Tips
Solid Green LED: Device is operating normally
Blinking Red LED: Count the blinks to identify the specific issue
Both LEDs Blinking: Device is in a special mode (QC, configuration, or button interaction)
No LEDs: Check power connection and device status
Rapidly Changing Patterns: Device is transitioning between states
If your device shows an error pattern, refer to the specific troubleshooting section for that error code, or contact support with the LED pattern details.