Chamberlain Garage Door Opener 1-3 — Door control wire issue / lock button stuck
Chamberlain Garage Door Opener · Error code 1-3
What 1-3 Means
The wall control reports a stuck button or open circuit. Typically the lock or light button on the multifunction console is mechanically jammed.
Symptoms
- 1 flash then 3 flashes
- Opener ignores wall button presses
- Door light may stay on
Common Causes
Mechanical button stuck in pressed position.
Internal switch contacts welded.
Open circuit between head unit and wall control.
How to Fix It
- Press the lock and light buttons on the wall control to free any stuck button.
- Disconnect the wall control wires from the motor head. If 1-3 clears, the wall control is at fault.
- Replace the wall control if buttons are jammed.
- If the code persists with wires off, the logic board is suspect — call for service.
Parts You May Need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More Chamberlain Garage Door Opener Codes
Verified against manufacturer documentation: chamberlain.com
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.