Diagnosis & repair

EV Charger Repair & Troubleshooting in Fishers

Diagnosis and correction for faulty chargers across Fishers, McCordsville, Lawrence and Hamilton County.

Describe the fault — (317) 597-1431
Installer examining a wall-mounted EV charger during a diagnostic visit

Find the Cause Before Replacing the Hardware

A charger that trips the breaker, throttles to half speed or throws a fault code is sending you a message, and it is usually about the circuit rather than the unit. Fishers EV Charger Installation separates those two before quoting anything, because the costly mistake is replacing a perfectly good charger that was never at fault. A surprising share of the repair calls we take across Fishers and McCordsville turn out to be an original install problem: a breaker sized at the charger's rating instead of above it, conductors too light for a long run, a 14-50 receptacle that was residential grade and has been quietly cooking for a year, or a termination that was never torqued properly. We test the circuit under load, read the charger's own diagnostics, and tell you which of the three it is. Then we price the fix.

What a Diagnostic Visit Covers

The visit is structured so you get an answer, not a guess.

  • Circuit testing under real load

    Voltage drop, continuity and conductor behaviour measured with current actually flowing, which is the only condition that reveals a marginal connection.

  • Breaker and conductor sizing review

    We check the installed breaker and wire gauge against the charger's continuous rating and the run length, which is where most repeat-tripping faults originate.

  • Charger diagnostics and fault-code reading

    The unit's own logs and codes are read through its app or interface, so a ground-fault trip is distinguished from a thermal or communication fault.

  • Thermal inspection of terminations

    Panel terminations, junctions and the charger's own terminal block checked for heat damage and discolouration, which is early evidence of a loose or undersized connection.

  • Receptacle condition assessment

    For plug-in setups, the 14-50 is pulled and inspected. Scorching, pitting or a slack grip means it gets replaced with an industrial-grade unit regardless of what else is found.

  • Ground fault and GFCI investigation

    Nuisance GFCI tripping is traced to either moisture ingress, a failing charger or a genuine insulation fault, and each has a different fix.

  • Correcting a non-compliant prior install

    Where the original work will not pass inspection, we quote bringing it up to standard rather than patching around it.

  • Charger replacement when it is the unit

    If the hardware has genuinely failed, we handle the manufacturer warranty claim where coverage exists and install the replacement.

  • Re-permitting and re-inspection where required

    Work that changes the circuit gets permitted and inspected properly, which also fixes the paperwork gap that blocked a rebate claim.

  • Written findings

    You get what we found, what caused it and what the fix costs, in writing, before any repair work is authorised.

Diagnose, Explain, Repair

  1. 01

    Describe the symptom on the phone

    Trips immediately, trips after an hour, charges slowly, will not start a session, or failed an inspection. Each one points somewhere different and helps us arrive with the right test gear.

  2. 02

    On-site diagnosis

    We test the circuit under load and interrogate the charger separately. You will see the readings, and we will explain what they mean rather than just announcing a conclusion.

  3. 03

    Written fix and repair

    You get the cause and the cost in writing. Approve it and we repair, re-test under load, and re-permit if the circuit changed.

Why Diagnosis Comes Before a Quote

We do not sell hardware to solve wiring faults

Replacing the charger is the easy sale and frequently the wrong one. If the circuit is the problem, a new unit will fail the same way, and you will have paid twice.

We see the same original-install mistakes repeatedly

Undersized breakers on continuous loads, wire gauge chosen for the breaker rather than the run, and residential-grade receptacles account for most of what we find. Knowing the pattern makes diagnosis fast.

The repair is permitted and inspected like new work

If we change the circuit, it gets filed and signed off, which also repairs the documentation gap that stops rebate and warranty claims going through.

  • Licensed & Insured
  • Diagnosis Before Quote
  • Load-Tested Findings in Writing
  • EVITP-Certified Installers
  • Re-Permitting Handled

Get a Straight Answer About Your Charger

Tell us what the unit is doing and when it started. We will test the circuit and the charger separately, show you the readings, and put the cause and the cost in writing before anything is replaced.

(317) 597-1431
Book a diagnostic visit — (317) 597-1431