What It Means
System locked out for 2 hours due to repeated inverter DC over-voltage faults.
Bryant Air Conditioner
Bryant Air Conditioner Error Code 97
Troubleshooting guide for the Bryant Air Conditioner system fault 97.
Possible Causes
- Persistent utility overvoltage condition.
- Faulty inverter board DC bus electronics.
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
VDC Over Voltage Lockout. VDC over-voltage lockout active for 2 hours.
All Recorded Causes
Diagnose root cause of repeated VDC over-voltage faults. Check supply voltage for overvoltage. Inspect inverter board DC bus. Allow lockout to expire (2 hours) or power cycle after root cause is corrected.
Verify Before Replacing Parts
- Confirm the exact Bryant model family and air conditioners context before acting on a generic code description.
- Confirm board LEDs, wiring polarity, and model compatibility before replacing control boards — this Bryant fault points at diagnose root cause of repeated VDC over-voltage faults.
- Check for intermittent communication faults caused by connectors, moisture, or damaged harnesses, and rule out check supply voltage for overvoltage.
- 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.
