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5 Fault Code

Fault Code 5 — OVERLOAD

Carrier · Energy Recovery Ventilators

What does 5 Fault Code mean?

The drive is experiencing an inverter overload condition, meaning the output current exceeds its ratings.

Common Causes

  • Output current exceeds drive ratings

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the motor load to ensure it is not exceeding the drive's capacity.

  2. 2

    Verify motor and drive ratings are compatible.

  3. 3

    Allow the drive to cool down.

  4. 4

    Reset the VFD after the overload condition is resolved.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

1 Fault CodeFault Code 1 — OVERCURRENT10 Fault CodeFault Code 10 — PANEL LOSS11 Fault Code11 Fault Code — ID RUN FAIL
Source: Carrier Energy Recovery Ventilators
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