How do I fix a TELUS RB21T remote that only works for a couple of days?
Answer
Reseat fresh batteries, re-pair or reset the RB21T, and power-cycle the TELUS box; a flashing light means the remote has power, but the link to the box or TV control setup may have dropped.
Follow these steps
Replace and reseat the batteries
Remove both batteries from the RB21T, wait about one minute, then insert a fresh matching pair in the correct direction.
You should see: The remote light still flashes, and button presses feel consistent.
Power-cycle the TELUS box
Unplug the TELUS box from power for about 10 seconds, plug it back in, and wait until it finishes restarting.
You should see: The box returns to normal service and is ready for remote pairing.
Re-pair the RB21T
Follow the TELUS pairing sequence for the RB21T, usually involving a specific button combination pointed at the box until the light indicates success.
You should see: The remote again changes channels or controls the box menu.
Test TV control and replace if unstable
Test volume and power on the Sony TV. If control works briefly then fails again over the next day, contact TELUS about a replacement remote.
You should see: Stable control returns, or TELUS confirms the remote should be replaced.
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Extra tips
What to look for: A white light that flashes on the remote without changing channels or TV volume, and whether the TELUS box itself still responds to buttons on the box front
Before you change anything: Have a fresh pair of matching batteries ready. Confirm whether the box front-panel controls still work. Note whether only the TV volume or all remote functions fail. Do not share account passwords while troubleshooting the remote.