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Troubleshooting

This guide helps you diagnose and resolve common issues in Ninja Uptime.

Monitors​

Monitor is showing as down, but the service is up​

Possible causes:

  • Incorrect URL or target configuration
  • DNS resolution issues
  • Firewall blocking requests
  • SSL certificate problems

How to troubleshoot​

  1. Verify the URL or target is correct
  2. Check if the service is accessible from a browser
  3. Confirm SSL certificate validity
  4. Review monitor settings and retry a test check

Monitor is not running​

Possible causes:

  • Monitor is disabled
  • Interval is too long
  • System delays

Fix​

  • Ensure the monitor is active
  • Verify interval settings
  • Wait for the next scheduled check

Incidents​

Incident is still open after the issue is fixed​

Possible causes:

  • Monitor has not run again yet
  • Intermittent failures still occurring

Fix​

  • Wait for the next check cycle
  • Confirm the service is consistently healthy
  • Manually resolve the incident if needed

Too many incidents are being created​

Possible causes:

  • Flapping service (up/down frequently)
  • Very short check intervals
  • Misconfigured monitor thresholds

Fix​

  • Increase check interval
  • Stabilize the service
  • Review monitor configuration

Alerts​

Not receiving alerts​

Check the following:

  • Alert policy is assigned to the monitor
  • Notification method is configured correctly
  • Email address or destination is valid

Debug steps​

  1. Open an incident
  2. Review Alert Deliveries
  3. Check for:
    • failed
    • queued but not sent

Alerts are failing​

Possible causes:

  • Invalid email or webhook
  • Delivery provider issues

Fix​

  • Verify recipient details
  • Check delivery logs
  • Retry after fixing configuration

Status Pages​

Cannot create a status page​

Cause:

  • No account selected

Fix​

  • Select an account from the top navigation
  • Try again

Status page is not visible publicly​

Possible causes:

  • Page is set to private
  • Page is inactive

Fix​

  • Enable Active
  • Set visibility to Public

Users cannot access private status page​

Possible causes:

  • User not invited
  • Incorrect email

Fix​

  • Go to Visibility
  • Add the user via Invite viewer
  • Confirm correct email address

Users​

User did not receive an invite​

Possible causes:

  • Email typo
  • Email delivery delay

Fix​

  • Verify email address
  • Resend invitation (or re-invite user)

User cannot access features​

Cause:

  • Role restrictions

Fix​

  • Check user role
  • Update permissions if needed

General Issues​

Changes are not appearing​

Possible causes:

  • Unsaved changes
  • UI not refreshed

Fix​

  • Click Save
  • Refresh the page

Dates or times look incorrect​

Cause:

  • Timezone mismatch

Fix​

  • Update timezone in User Preferences

Performance Issues​

Dashboard feels slow​

Possible causes:

  • Large number of monitors
  • High-frequency checks

Fix​

  • Reduce check frequency where possible
  • Limit active monitors

Still Need Help?​

If the issue persists:

  • Review incident details and logs
  • Check alert delivery history
  • Contact support