How to Repair a Faulty Remote Control: Troubleshooting Guide

Symptoms: Certain buttons don’t work.
Solution:

Remove the remote cover.

Clean the rubber buttons and contact points on the circuit board with isopropyl alcohol.

Let it dry completely before reassembling.

Step 4: Check the Infrared (IR) Signal

Symptoms: Remote appears on, but device doesn’t respond.
Solution:

Use a smartphone camera: point the remote at the camera and press a button.

If the IR LED glows on the camera screen, the remote is sending a signal.

If not, the IR LED may be faulty—replacement might be necessary.

Step 5: Reset or Reprogram the Remote

Symptoms: Remote works partially or not paired with the device.
Solution:

Remove batteries, press every button once, then reinsert batteries (soft reset).

Reprogram the remote following the device manual instructions.

Step 6: Test on Another Device (if possible)