Door light flashes 10 times Serious Easy DIY

Chamberlain Garage Door Opener — Light flashes 10x on close (safety sensor)

Chamberlain Garage Door Opener · Error code Door light flashes 10 times

What Door light flashes 10 times Means

When the door light flashes 10 times after pressing close, the safety sensors are misaligned, obstructed, or wired wrong. Equivalent to the 1-4 LED code.

Symptoms

  • Door light flashes 10 times
  • Door will not close from remote
  • Door closes only when wall button held

Common Causes

1
Sensor misaligned

Green LED off or flickering.

2
Lens dirty

Wipe both lenses.

3
Obstruction in beam path

Object between sensors.

4
Sensor wire fault

Pinched or cut wire.

How to Fix It

  1. Verify both sensor LEDs (yellow + green) are steady.
  2. Wipe lenses clean.
  3. Re-align until green LED is rock-steady, then tighten brackets.
  4. Clear obstructions and ensure no sun is shining into the receiver.
  5. Inspect wires for damage.

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.

Common replacement Chamberlain safety sensor kit View on Amazon→

More Chamberlain Garage Door Opener Codes

1-1 1-1 — Low voltage / wall control wire issue 1-2 1-2 — Wall control / safety wire shorted 1-3 1-3 — Door control wire issue / lock button stuck 1-4 1-4 — Safety sensors misaligned or obstructed 1-5 1-5 — Safety sensor wires reversed or shorted 1-6 1-6 — Safety sensor obstruction or wire fault

All Chamberlain codes → All 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.