LED / Power Supply Repair

Fast, Reliable LED Sign Repair to Keep Your Business Shining Bright

When your sign is dim, flickering, or completely out, it affects visibility, professionalism, and customer trust. At CommercialSignage.com, we diagnose and repair LED modules, transformers, and power supplies for all types of illuminated signs—including channel letters, cabinet signs, monument signs, pylons, and LED message centers.

Our licensed technicians provide fast response times, clean repairs, and long-lasting replacements using UL-listed components.

Best for:
  • Flickering, dim, or partially lit signs
  • Burned-out LED modules or transformers
  • Damaged wiring or short circuits
  • Faded or inconsistent lighting across letters or panels
  • LED message center issues or display failures

Common Issues We Repair

Flickering or Dim LEDs

Restore brightness and consistency.

  • LED modules losing brightness
  • Poor connections or failing wiring
  • Water intrusion or damaged housings

Power Supply / Transformer Failure

Fix sign outages caused by failed components.

  • Overheated or blown power supplies
  • Transformer failures
  • Incorrect voltage output
  • UL-listed replacements installed

Sectional Lighting Outages

Fix one-letter or partial outages.

  • One letter or cabinet section not lighting
  • Resetting or replacing LED drivers
  • Identifying damaged LED strings and modules

LED Message Center Repairs

Specialized repairs for EMCs and digital displays.

  • Dead pixels or dark LED modules
  • Power distribution issues
  • Cabinet cooling or internal wiring faults

Short Circuits & Wiring Damage

Troubleshooting and safe repairs.

  • Weather-damaged wiring
  • Rodent damage
  • Improper connections from previous installers

Why Choose Our LED Repair Services?

  • Fast dispatch and same-week scheduling
  • Class A contractor — fully licensed & insured
  • UL-listed, long-life replacement components
  • Bucket truck & crane-equipped service vehicles
  • Repairs for ALL sign types, brands, and lighting systems
  • Preventative maintenance options available
  • Competitive pricing with dependable long-term results

Ideal For

  • Retail storefronts
  • Franchises & multi-location brands
  • Restaurants & automotive services
  • Property managers & landlords
  • Churches, schools, and municipalities

Restore Your Sign’s Brightness Today

Don’t let a dark or flickering sign hurt your business. Share photos of your sign, what’s not working, and the location, and our repair team will respond quickly with pricing and scheduling.

Request a Repair Quote →

We repair everything from small storefront signs to large digital displays — fast, professional, and fully insured.