Overview
If your NevcoOne Controller app is not working properly, follow the steps below to identify and resolve the issue.

This article covers:

  • Controller not connecting to devices
  • App crashes or freezes
  • Scoreboard not responding
  • Timer or score issues
  • Device setup and sync problems

Quick Check

Before troubleshooting, verify:

  • All Nevco devices are powered ON
  • Controller device (tablet/phone) is charged
  • App is open and updated
  • Devices are assigned to the correct venue
  • You are connected to the correct network (Wi-Fi or wired)

If all items are confirmed, continue below.

Issue: Controller Not Connecting to Devices

Symptoms:

  • No devices found
  • Cannot start event
  • “Device not found” or connection errors

Possible Causes:

  • Devices not powered or not fully booted
  • Bluetooth setup issue
  • Network misconfiguration
  • Device not assigned to venue

Resolution:

  1. Ensure all devices are powered on (wait at least 2 minutes after power-up) 
  2. Move within 30 feet for Bluetooth setup
  3. Turn Bluetooth ON (for setup mode)
  4. Verify devices are assigned to the venue
  5. Confirm correct network role (wired, Wi-Fi, or access point)

Note: Devices must be assigned and configured before use in events 

Issue: Scoreboard Not Responding

Symptoms:

  • App works, but scoreboard does not update

Possible Causes:

  • Wrong device selected as main scoreboard
  • Network issue
  • Device offline

Resolution:

  1. Verify correct device is set as main scoreboard
  2. Check device status in app
  3. Confirm network connection (Ethernet/Wi-Fi)
  4. Restart device and reconnect

Issue: App Crashes or Freezes

Symptoms:

  • App closes unexpectedly
  • Screen freezes during event

Possible Causes:

  • Low device memory
  • Low storage
  • Battery saver mode
  • Outdated app or OS

Resolution:

  1. Close other apps
  2. Restart device
  3. Plug into charger
  4. Update app and device OS
  5. Reopen app and rejoin event

Note:

  • The event continues running on the Master device even if the app crashes
  • Data is not lost and can be rejoined 

Issue: Cannot Rejoin Event After Crash

Symptoms:

  • App restarts but event is missing

Possible Causes:

  • Event timed out
  • No active controllers connected

Resolution:

  1. Reopen app
  2. Rejoin event if available
  3. If not available, start new event
  4. Manually re-enter scores if needed

Note: Events may end after ~15 minutes with no connected controllers 

Issue: Incorrect Score Displayed

Symptoms:

  • Score is wrong
  • Accidental scoring input

Possible Causes:

  • User input error

Resolution:

  1. Tap UNDO to reverse last action
  2. Long-press score
  3. Enter correct value and confirm

Note: All scoring actions are timestamped for accuracy tracking 

Issue: Timer Will Not Adjust

Symptoms:

  • Cannot change game clock

Possible Causes:

  • Timer is still running

Resolution:

  1. Stop the timer
  2. Long-press timer display
  3. Enter correct time
  4. Confirm and restart

Note: Timer must be stopped before adjustment 

Issue: Horn Does Not Sound

Symptoms:

  • No horn at end of period

Possible Causes:

  • Timer stopped before reaching zero
  • Auto horn disabled

Resolution:

  1. Confirm timer runs to zero
  2. Check horn settings in sport profile
  3. Verify volume is not muted

Note: Horn only sounds when timer reaches zero while running 

Issue: Bluetooth Setup Not Working

Symptoms:

  • Cannot find devices during setup

Possible Causes:

  • Device not fully booted
  • Out of range
  • Bluetooth off or permissions denied

Resolution:

  1. Wait 2 minutes after powering device
  2. Move within 30 feet
  3. Enable Bluetooth and permissions
  4. Restart app and device
  5. Retry scan

Issue: Device Not Found in Venue

Symptoms:

  • Device missing in app

Possible Causes:

  • Not assigned to venue
  • Out of range during setup

Resolution:

  1. Open Venue Setup
  2. Scan for devices
  3. Add and name device
  4. Assign scoreboard model
  5. Save configuration

Issue: Cloud Sync Not Working

Symptoms:

  • Changes not syncing
  • Remote access unavailable

Possible Causes:

  • No internet connection
  • Firewall blocking connection

Resolution:

  1. Check internet connection
  2. Verify device has IP address
  3. Ensure outbound HTTPS (port 443) is open
  4. Restart device

Note: Local operation still works even without cloud sync 

Issue: Controller Loses Connection During Event

Symptoms:

  • App stops controlling scoreboard

Possible Causes:

  • Device went to sleep
  • Network drop

Resolution:

  1. Keep device awake (disable sleep)
  2. Keep device plugged in
  3. Reopen app and rejoin event

Best Practices

  • Power on all devices before starting events
  • Always verify device assignments
  • Keep controller device charged and awake
  • Test system before events
  • Use correct sport profile settings
  • Keep app and firmware updated

If the issue persists, respond to this ticket for further troubleshooting. 

Keywords (Search Terms)

nevcoone not working
nevco one controller not connecting
nevcoone scoreboard not responding
nevco one app crashing
nevcoone bluetooth issue
nevcoone device not found
nevcoone timer not working
nevcoone scoring issue
nevcoone cloud sync issue
nevco one setup problem
nevcoone event not starting
nevcoone connection issue

Nevco 1 troubleshoot