Try to press any button on your Astro remote.
INDICATOR: LED blinking 3 times / NO LED blink
SOLUTION: Replace new battery
Check if you can change channel using your Astro remote control.
If issue remain after the battery replacement, try changing the channel manually directly from box front panel (If any).
If it's working, you might need to replace your Astro remote.
This might be due to a faulty Astro remote.
You may walk-in to our nearest Customer Service Center for the replacement or purchase it directly from Astro Go Shop.
If confirm no issue with remote control, please refer to Decoder Hang at Channel troubleshooting steps here.