
Alarm System Troubleshooting Guide
How to disarm, silence an alarm, bypass a zone, and change codes on Qolsys, Honeywell Vista and Lynx, and 2GIG GC3 panels, plus how to reach support.
Most common alarm panel problems can be fixed in a minute from your app or keypad. This guide covers how to disarm, silence an alarm, bypass a zone, adjust volume, and manage codes on the Qolsys, Honeywell Vista and Lynx, and 2GIG GC3 panels we support. If these steps do not solve it, call us at (702) 737-8464 in Las Vegas or (602) 431-1300 in Phoenix.
Support hours
Our monitoring center and emergency technical support staff are available 24/7. If you call our business line while we are experiencing high call volume, your call is routed to our monitoring center for assistance.
- During business hours (Monday to Friday, 8 a.m. to 5 p.m.): if support is not immediately available, you can expect a return call within one business day.
- Outside business hours: emergency technical support is available and comes with a 2 hour minimum billable. If support is not available when you call, you can expect a return call within about 4 hours.
- Emergency support is available for technical issues only.
Qolsys panels

Watch the help videos built into your panel
- Touch the envelope icon in the top right of the screen.
- Touch Video Tutorials.
- Watch the video that best matches what you need.
Clear the number on the envelope icon
- Touch the envelope icon in the top right of the screen.
- Touch the circle to the left of each message you want to clear, or touch the circle that selects all messages.
- Delete the selected messages.
Shut off the siren when the alarm is triggered
- Try your app first to disarm.
- If that does not work, touch the screen and enter your passcode.
Disarm your system
- Try your app first to disarm.
- If that does not work, touch the icon in the center of the screen (a lock in a red circle).
- Enter your passcode.
Bypass a zone
- Try arming from your app first and let it auto bypass any open zones.
- If that does not work, touch the icon in the center of the screen (a lock in a green circle).
- Touch the >> icon on the right side to view more arming options.
- Touch the circle next to the sensor you want to bypass.
Adjust the panel volume
- Swipe down from the top of the main screen.
- Slide the volume control left or right.
Change or add a code
- Try your app first to change users and codes.
- If that does not work, swipe down from the top of the main screen.
- Touch the wrench icon (Settings).
- Touch the gear icon (Advanced Settings) and enter your master code if asked.
- Touch the person icon (User Management).
- Touch Add User.
Honeywell Vista and Lynx panels

See which zone is not ready
Press the * key. The keypad displays each open or faulted zone.
Stop the beeping
Enter your 4 digit code and press 1 (Off).
Silence the alarm when the siren is ringing
Enter your 4 digit code and press 1 (Off). Do this a second time to clear the system.
Reset or clear an alarm condition
Enter your 4 digit code and press 1 (Off).
Bypass a zone
Complete the whole sequence promptly, or you will have to start over.
- Enter your 4 digit code.
- Press 6 (Bypass).
- Enter the 2 digit zone number you want to bypass. To bypass more than one zone, enter them one after another (for example, code + 6 + 03, 04, 05).
- The keypad beeps when complete. You should then see a green Ready light if everything else is closed.
Change the master code
Complete the whole sequence promptly, or you will have to start over.
- Enter your 4 digit master code.
- Press 8 (Code).
- Enter 02.
- Enter the new 4 digit code twice.
- The keypad beeps three times to confirm.
- Test it: enter the new code and press 1 (Off). If it beeps, the new code works.
Add a user code
Complete the whole sequence promptly, or you will have to start over.
- Enter your 4 digit master code.
- Press 8 (Code).
- Enter the 2 digit user position you want (03 to 10, or more depending on your panel).
- Enter the new 4 digit code.
- The keypad beeps once to confirm.
- Test it: enter the new code and press 1 (Off). If it beeps, the code works.
Delete a user code
Complete the whole sequence promptly, or you will have to start over. You cannot delete the master code.
- Enter your 4 digit master code.
- Press 8 (Code).
- Enter the 2 digit user position you want to delete.
- Press # and then 0. Wait for one beep.
- Test it: enter the deleted code and press 1 (Off). If it does not beep, the code has been deleted.
2GIG GC3 panels

Clear messages or trouble conditions and stop the beeping
- Touch the message icon at the top of the screen.
- Touch Alerts, Alarms, or Messages.
- Touch each message you want to read, then touch Mark As Read or Delete.
Disarm your system
- At the System Armed screen, touch Disarm.
- Enter your 4 digit code.
Silence or clear the alarm when the siren is ringing
At the Alarm screen, enter your 4 digit code.
Bypass a zone so you can arm
- Below the Sensors Not Ready list, touch Bypass All.
- Enter your 4 digit code.
- Arm the system.
Adjust the panel volume
- Touch System Settings.
- Enter your 4 digit master code.
- Touch Sounds.
- Touch and hold a control and slide it left or right to adjust the volume.
Change or add a code
- At the Home screen, touch System Settings.
- Enter your 4 digit master code.
- Touch Users.
- Touch Add User to add a code, the pencil icon to edit an existing user, or the trash icon to delete one.

Still need help?
- Call (702) 737-8464 in Las Vegas or (602) 431-1300 in Phoenix.
- Find answers about service, billing, and monitoring in our FAQ.
- Manage your account in the Sting Customer Portal, or reach us on the contact page.
- Ready for a newer panel? Request a free quote or see our smart security panels.
Recent Google reviews
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Frequently asked questions
How do I stop my alarm when the siren is going off?
Try the app first to disarm. If that does not work, enter your code at the panel: on a Qolsys panel, touch the screen and enter your passcode; on a Honeywell Vista or Lynx keypad, enter your 4 digit code and press 1 (Off), then repeat to clear the system; on a 2GIG GC3, enter your 4 digit code at the Alarm screen.
How do I bypass a zone so I can arm my system?
Try arming from the app first and let it auto bypass open zones. At the panel, Qolsys: touch the arming icon, open additional options with the >> icon, and select the sensor to bypass. Honeywell: enter your code, press 6 (Bypass), and enter the 2 digit zone number. 2GIG GC3: touch Bypass All below the Sensors Not Ready list and enter your code.
What are Sting Alarm's support hours?
Our office is open Monday to Friday, 8 a.m. to 5 p.m. Our monitoring center and emergency technical support are available 24/7. After-hours emergency technical support carries a 2 hour minimum billable and is for technical issues only.
Is same-day service available?
Same-day service is often available for existing customers, depending on technician availability. After-hours rates may apply.
How quickly will support call me back?
If support is not immediately available during business hours, expect a return call within one business day. After hours, if emergency technical support is not available when you call, expect a return call within about 4 hours.