Bryant Air Conditioner

Bryant Air Conditioner Error Code 58

Troubleshooting guide for the Bryant Air Conditioner system fault 58.

What It Means

Transient communication loss occurred between control board and inverter module.

Possible Causes

  • Intermittent inverter communication wiring harness connection.
  • Damaged inverter control module.
  • Control board communication error.

Not sure which one it is — or if it's none of these? Try ACLogics today.

Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.
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Full Diagnosis

Lost Inverter Communication Event. Lost inverter communication event detected.

All Recorded Causes

Check inverter communication wiring and connectors. Power cycle the unit. Inspect inverter board for damage. Verify wiring harness between control board and inverter is intact. Board retries after 10 minutes.

Verify Before Replacing Parts

  1. Confirm the exact Bryant model family and air conditioners context before acting on a generic code description.
  2. Confirm board LEDs, wiring polarity, and model compatibility before replacing control boards — this Bryant fault points at check inverter communication wiring and connectors.
  3. Check for intermittent communication faults caused by connectors, moisture, or damaged harnesses, and rule out power cycle the unit.
  4. After the correction, run the system long enough to confirm the air conditioners fault does not return under normal load.

Still unsure about this fault?

ACLogics walks you through Bryant Air Conditioner diagnostics step-by-step — so you confirm the cause before swapping parts.

See how ACLogics handles Air Conditioner faults →