Hours vary Denver (720) 951-4619
Call (720) 951-4619
Tesla Charger Blinking Red? Home EV Charging Fixed Right

Chapter 02 · EV Charging & Standby Power

Tesla Charger Blinking Red? Home EV Charging Fixed Right

Licensed EV charger installation and troubleshooting for home and light commercial, CO License #ME.0600978.

Call now(720) 951-4619
Call (720) 951-4619Request an estimate

Free estimate

Tell us what you need

Three fields. It reaches a person here, not a call centre.

No obligation · Responds within 1 business day

By submitting this form you agree that we may contact you about your request and share your details with partner companies for marketing purposes.

Why Your Tesla Charger Is Blinking Red

A blinking red light on your Tesla Wall Connector is the charger's way of saying something's wrong, and the fix isn't always obvious. It could be a tripped breaker, a wiring fault, a ground issue, or a communication error between the charger and your panel. What it's definitely not is something to ignore. Left undiagnosed, a faulty EV charger circuit can trip your breaker repeatedly, damage the charger itself, or create a real safety risk at the outlet. Call (720) 951-4619 and we'll tell you what we're seeing, straight up, before we touch a wire. Daniel Vargas and the team at All Electric carry CO License #ME.0600978 and are fully insured, and every labor job comes with a 1-year warranty.

Whether your charger's throwing a fault code or you're starting fresh with a new EV and need a proper Level 2 circuit installed, the scope of work matters. A straightforward 240V dedicated circuit in a garage with an accessible panel runs on the simpler end. Older homes with smaller panels, conduit runs through finished walls, or a main service that can't support the added load push the cost higher. Financing is available if you'd like to spread it out. Every job is different, contact All Electric for an accurate estimate.

What a Red or Blinking Light Actually Means

The light pattern tells you which system failed, if you know how to read it.

Tesla Wall Connectors and most other Level 2 home chargers communicate faults through LED patterns. A single blinking red light typically signals a ground fault or wiring issue. Rapid red flashing usually points to overheating or a current leak the charger detected before it shut itself off. A solid red with no blinking often means the unit lost communication with your panel's breaker. None of these conditions fix themselves. A licensed electrician needs to put a meter on the circuit, check the ground bond, verify the breaker rating matches the charger's amperage requirements, and confirm the wiring gauge is correct end to end. If the charger was installed by anyone other than a licensed electrician, that's usually where the problem started. We see it more than we'd like.
ev chargers work, professional service in Denver, CO

Level 2 Install

Home EV Charging Done by a Licensed Electrician

ev chargers work, professional service in Denver, CO

A proper install is a 240V dedicated circuit, permitted, inspected, and matched to your panel's capacity.

Let's face it, if you own an electric car, circling a public charging lot while you wait for an open stall isn't how you want to spend your time. A Level 2 home charger on a dedicated 240V circuit can add 25 to 30 miles of range per hour of charging overnight. Most EV owners wake up to a full battery every morning without thinking about it. The install involves running a dedicated circuit from your electrical panel to the garage or wherever you park, sizing the breaker correctly for your charger's amperage (typically 40A to 60A), and mounting the charger unit itself. We pull the permit, schedule the inspection, and handle the whole job from panel to plug. Financing is available. Ask when you call.

How It Works

Our EV Charger Install Process, Step by Step

  1. Step 1: Panel Assessment

    We check your existing panel's capacity before anything else. If your electrical panel is already maxed out, adding a 240V circuit without a panel upgrade will trip breakers from day one. We tell you exactly what you need, nothing more.

  2. Step 2: Dedicated Circuit Run

    We run the correct wire gauge from your panel to the charger location, size the breaker for your unit's amperage, and confirm the ground path is solid. We don't skip the permit. Every EV charger install we do is permitted and inspected.

  3. Step 3: Mount, Test, and Walk You Through It

    The charger unit goes on the wall, we confirm it's communicating correctly with your vehicle, and we walk you through what the indicator lights mean. If you ever see a red light after we leave, you know who to call.

Commercial EV Charging for Business Owners

Now, let's talk to our business owners. Providing charging stations at your location is a major convenience for your customers and your employees, and it signals something real about how you run your business. We handle light commercial electrical services and can wire multiple charging stations on a shared load-managed circuit, which keeps installation costs reasonable without limiting charging availability. Whether you need two stations in a parking lot or twelve across a commercial property, we'll size the service correctly and pull the commercial permit. All Electric carries CO License #ME.0600978 and is fully insured for commercial work. Our local electricians have been doing this across the metro for 9 years.
ev chargers work, professional service in Denver, CO

Why Unlicensed EV Charger Work Creates Bigger Problems

  1. Step 1: Wrong Wire Gauge

    A 40A circuit needs 8 AWG wire minimum. Undersized wire overheats under load, degrades insulation, and can start a fire inside your wall where you can't see it.

  2. Step 2: No Ground Bond

    EV chargers detect ground faults before your panel does. A missing or loose ground bond will cause repeated red-light faults and will void your charger's warranty with most manufacturers.

  3. Step 3: No Permit, No Protection

    An unpermitted EV charger install can create problems when you sell your home or file an insurance claim. We pull the permit every time. It's not optional, and any electrician who skips it is cutting corners somewhere else too.

Straight from Google

What Our Customers Say

4.9468 verified Google reviews
Got the job done well, pleasant to work with.
Brian NicholsBrian NicholsSep 2026 · Google
All Electric is the best! Knowledgeable in fair and troubleshoot till they get the job done, if needed. Highly recommend 🙌🏽
gina dgina dSep 2026 · Google
Fantastic service. They showed up, assisted in the repairs, found the underlying issues and fixed them and then explained what those issues were in a manner that I could understand. Top service, as always.
Sean FrohlingSean FrohlingAug 2026 · Google
Same day service! Was here in 3 hours. Very honest and charge was kept at the minimum. Polite service as well.
Fred LudlowFred LudlowAug 2026 · Google
Very responsive. Easy to work with. Would definitely recommend to friends and family.
BritneyBritneyAug 2026 · Google
Electrician came out the next day after calling to install two light fixtures. Minimal issues and got them both installed successfully even though we have an old home. Pricing was reasonable to me. I will definitely be using them again for any similar needs!
Jillian L. CallaghanJillian L. CallaghanAug 2026 · Google
Awesome service. Quick prompt and very professional and knows the business. Daniel Vargas was the Master Tech. Accessed the problem and was quick to diagnose! Two faulty breakers. Highly recommend.
Michelle BakerMichelle BakerAug 2026 · Google
Daniel was great - solution-oriented, super-responsive, knowledgeable and really nice to work with - I will look to Daniel aand All Electric for future needs - thanks!
Travis BoganTravis BoganAug 2026 · Google
Read all 468 reviews

EV Charger Questions We Hear All the Time

Not answered here? Call (720) 951-4619 and ask the electrician.

Why is my Tesla Wall Connector blinking red?
A blinking red light on a Tesla Wall Connector signals a fault the unit detected before it stopped charging. Common causes include a ground fault, a loose wire connection at the breaker or charger, a tripped GFCI somewhere in the circuit, or a breaker that's too small for the charger's amperage draw. The number of blinks corresponds to a specific fault code in Tesla's documentation. A licensed electrician can put a meter on the circuit and pinpoint it in one visit.
What does it cost to put in an EV charger at home?
Cost depends on how far the new circuit needs to run, whether your existing panel has capacity for a 240V 40A or 60A breaker, and whether the install requires conduit through finished walls. Simple garage installs with accessible panels are on the lower end. Homes with smaller panels, long conduit runs, or panels that need an upgrade first are more involved. Every job is different, contact All Electric for an accurate estimate.
Which Level 2 charger is best for home use?
Honestly, the charger brand matters less than the circuit behind it. A premium charger on an undersized or improperly wired circuit will fault constantly. That said, we install all major brands and can advise based on your vehicle's onboard charger capacity. Tesla vehicles are capped at 48A AC charging, so a 60A dedicated circuit covers you fully. Other EVs vary. We'll confirm the right spec before we pull the permit.
Does an EV charger installation require a permit?
Yes, in Colorado a dedicated 240V circuit for an EV charger requires a permit and inspection. We pull that permit on every job. An unpermitted install can create issues with homeowner's insurance coverage, create problems at resale inspection, and won't be eligible for certain utility rebates. We don't skip this step, and we'd tell you to be skeptical of any electrician who offers to.
Can my existing electrical panel handle an EV charger?
That depends on your panel's current load and its total amperage rating. Many homes, especially those built before 2000, have 100A service that's already carrying close to capacity. Adding a 40A or 60A EV circuit to a saturated panel will trip breakers under normal household use. We assess this before we quote the job. If you need a panel upgrade first, we'll tell you plainly and give you an accurate estimate for both scopes.
Can I install an EV charger myself?
You can pull the permit and attempt the work in Colorado, but most homeowner insurance policies and EV charger warranties have exclusions for DIY electrical installs that weren't inspected. The risks are real, wrong wire gauge, missing ground bond, or a breaker sized too large can all cause faults or fire hazards. We've been called in to fix DIY EV installs that caused repeated charger faults or damaged the unit outright. A licensed install with a 1-year labor warranty is the safer call.
Does an EV charger installation require a permit in Colorado?
Yes. A dedicated 240V circuit for an EV charger requires a permit and inspection in Colorado. We pull that permit on every job. An unpermitted install can create issues with homeowner's insurance, create problems at resale inspection, and won't be eligible for certain utility rebates. We don't skip this step, and we'd tell you to be skeptical of any electrician who offers to.
What wire gauge is required for a Level 2 EV charger?
A 40A dedicated circuit requires a minimum of 8 AWG copper wire. A 50A or 60A circuit steps up to 6 AWG. Using undersized wire for the breaker rating is one of the most common mistakes in DIY or unlicensed EV charger installs, it causes the wire to overheat under sustained load, degrades insulation over time, and creates a real fire hazard inside your wall. We size the wire to the breaker, not the other way around.

Schedule Your EV Charger Install or Diagnostic

4.9 stars across 468 Google reviews. CO License #ME.0600978. Fully insured. 1-year warranty on labor.

Call the shop

(720) 951-4619
  • Mon to Fri: 5 AM to 9 PM
  • Sat and Sun: 7 AM to 8 PM
Request an estimate