Our LED neon signs are designed to last up to 50,000 hours. While we warranty both the sign and its electronic equipment for 2-years from the date of purchase. The warranty does not include any accidental damage, or purposeful damage for that matter.
After a period of time, the power supply may fail (if the whole sign is not powering on, that is likely the issue). That’s a quick and simple fix, removing the existing transformer and plugging in a new one.
Short-circuits can happen, typically its best to fully replace a sign in that case. Often that just means a positive/negative wire inside the sign is touching, this can happen over time with heat or even regular transport/movement of the sign.
If the acrylic breaks, that’s a full replacement. It’s like glass, it can’t be healed or swapped out. You’d be better off making a brand new sign than removing the LED neon and adding that to a new sheet of acrylic. The time to remove the LED neon, and the damage that can happen while removing the LED neon pretty much makes it not worth it!
However, you know what lasts longer than LED? Traditional glass neon, while it is much more fragile to install and transport neon signs can last 40 years plus, while just having their transformers replaced or the tubes regassed as long as those tubes aren’t smashed or cracked.