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16 Fault Code

16 Fault Code — EARTH FAULT

Carrier · Energy Recovery Ventilators

What does 16 Fault Code mean?

The load on the input power system is out of balance, indicating a potential earth fault.

Common Causes

  • Fault in the motor
  • Fault in the motor cable
  • Motor cable exceeding maximum specified length

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the motor for ground faults.

  2. 2

    Check the motor cable for any ground faults or damage.

  3. 3

    Ensure the motor cable length does not exceed specifications.

  4. 4

    Reset the VFD after confirming all connections are sound.

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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