Just turn it up or cut it off. A flashing or flickering neon sign is often an indication that it is not getting enough power. A flashing or flickering neon sign is often an indication that it is not getting enough power. If your neon sign is fully lit but still appears darker than it should, it’s probably a sign that the glass tube is leaking.
If necessary, you can check the voltage of the electrical sites with a multimeter tool. To fix your neon sign, you’ll probably need to familiarize yourself with internal wiring first.
How much does it cost to repair a neon sign?
When neon signs are fixable usually a professional can take a look at the sign and find out if you have a voltage problem or if there is something wrong with the transformer. All too often, neon signs get calls from customers asking about flickering neon signs or broken hoses or other problems. Argon-filled tubes contain a very small amount of mercury vapor that someone would only be exposed to if the neon tube broke. Some things can be repaired, other things like broken or burnt out neon tubes or weak or burnt transformers need to be replaced.