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TroubleshootingRadar Issues

Radar Troubleshooting

Diagnose and fix common Guardian Radar issues. Follow step-by-step solutions to get your device back online.

Emergency: If someone has fallen and the radar isn't working, call emergency services immediately. Don't wait to troubleshoot the device.

Common Issues & Solutions

Step-by-step fixes for the most common radar problems

Radar not detecting falls
Common symptoms and fixes
High Priority

Symptoms

  • •Fall test in app shows no detection
  • •No movement registered on dashboard
  • •LED indicator on but no response

Solutions (try in order)

  1. 1Verify radar is powered on - check for solid blue LED
  2. 2Ensure radar is mounted 1.5-2 meters (5-6.5 feet) high
  3. 3Confirm radar is within 5 meters of monitored area
  4. 4Check WiFi connection is stable and active
  5. 5Run the built-in walk test in mobile app
  6. 6Restart the radar by unplugging for 30 seconds

Prevention Tips

  • Mount radar at recommended height
  • Keep detection area clear of large obstacles
  • Perform weekly system tests
Radar LED not lighting up
Common symptoms and fixes
High Priority

Symptoms

  • •No LED lights visible on device
  • •Device not appearing in app
  • •No power indication

Solutions (try in order)

  1. 1Check power cable is firmly connected to radar
  2. 2Test power outlet with another device
  3. 3Try a different power outlet
  4. 4Inspect power cable for damage
  5. 5Check circuit breaker hasn't tripped
  6. 6Contact support if using battery backup and it's not charging

Prevention Tips

  • Use surge protector for power
  • Avoid loose electrical outlets
  • Keep power cable away from high-traffic areas
Intermittent detection or false positives
Common symptoms and fixes
Medium Priority

Symptoms

  • •Radar sometimes misses falls
  • •Too many false alarms
  • •Inconsistent performance

Solutions (try in order)

  1. 1Adjust sensitivity settings in app (Settings → Detection Sensitivity)
  2. 2Reposition radar away from fans, heaters, or air vents
  3. 3Move pets' feeding areas outside detection zone
  4. 4Check for curtains or hanging objects that may move
  5. 5Clean radar sensor surface with soft, dry cloth
  6. 6Update firmware if update available in app

Prevention Tips

  • Keep radar surface clean and dust-free
  • Avoid placing near sources of movement
  • Fine-tune sensitivity based on environment
Radar offline or disconnected
Common symptoms and fixes
High Priority

Symptoms

  • •App shows "Offline" or "Disconnected"
  • •Cannot access radar remotely
  • •Red or blinking LED indicator

Solutions (try in order)

  1. 1Check WiFi network is working on other devices
  2. 2Restart your router and wait 2 minutes
  3. 3Move radar closer to WiFi router temporarily to test
  4. 4Ensure 2.4GHz WiFi is enabled (radar doesn't support 5GHz)
  5. 5Re-enter WiFi password in app settings
  6. 6Reset radar WiFi: Hold reset button for 10 seconds until LED blinks

Prevention Tips

  • Use WiFi extender if radar is far from router
  • Keep router firmware updated
  • Ensure strong WiFi signal in radar location
Radar coverage seems limited
Common symptoms and fixes
Medium Priority

Symptoms

  • •Falls only detected in some areas
  • •Edge of room not covered
  • •Certain spots showing no detection

Solutions (try in order)

  1. 1Verify radar is centered in the room
  2. 2Check 5-meter radius is clear of obstacles
  3. 3Adjust radar angle slightly downward (5-10 degrees)
  4. 4Remove large furniture blocking line of sight
  5. 5Use additional radar for large or L-shaped rooms
  6. 6Consult placement guide in app for room-specific tips

Prevention Tips

  • Plan radar placement during installation
  • Test coverage with walk test in all areas
  • Consider room layout when positioning

Understanding LED Indicators

What the radar's LED light colors mean

Solid Blue

Normal operation, all systems working

Action: None needed

Blinking Blue

Searching for WiFi connection

Action: Check WiFi settings, reconnect if needed

Solid Red

Error detected, system malfunction

Action: Restart device, contact support if persists

Blinking Red

WiFi connection lost

Action: Check router, verify network status

Solid Green

Fall detected, alert sent

Action: Respond to alert, check on person

No Light

No power or device failure

Action: Check power connection, replace power adapter

Reset Procedures

Different types of resets and when to use them

Note: Always try a soft reset first. Only perform a factory reset as a last resort, as it will erase all settings.
Soft Reset
Minor issues, temporary glitches
  1. 1Unplug power cable from radar
  2. 2Wait 30 seconds
  3. 3Plug power cable back in
  4. 4Wait for solid blue LED (up to 2 minutes)
  5. 5Check app to confirm connection restored
WiFi Reset
Connection issues, changing networks
  1. 1Locate small reset button on back of radar
  2. 2Use paperclip or pin to press and hold button
  3. 3Hold for 10 seconds until LED blinks rapidly
  4. 4Release button and wait for blinking blue LED
  5. 5Reconnect to WiFi using mobile app
Factory Reset
Persistent issues, before returning device
  1. 1Press and hold reset button for 30 seconds
  2. 2LED will blink red, then turn off
  3. 3Release button when LED turns off
  4. 4Device will restart automatically (2-3 minutes)
  5. 5Reconfigure device from scratch in app

Diagnostic Checklist

Systematic approach to identifying radar issues

11. Power Check
  • Is the LED lit in any color?
  • Is power cable firmly connected?
  • Does outlet have power?
  • Try different power outlet
22. Connectivity Check
  • Is WiFi working on other devices?
  • Is radar within WiFi range?
  • Check router is on 2.4GHz
  • Verify correct WiFi password
33. Placement Check
  • Is radar 1.5-2m high?
  • Is it centered in the room?
  • Any obstacles blocking view?
  • Within 5m of monitored area?
44. App Check
  • Is app updated to latest version?
  • Does app show radar online?
  • Try logging out and back in
  • Check notification permissions

Frequently Asked Questions

Common questions about radar troubleshooting

Still Having Issues?

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