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14

Fault code 14 — PFC low voltage detected failure

Rheem · Air Handlers

What does 14 mean?

The Power Factor Correction (PFC) circuit is detecting a low voltage condition.

Common Causes

  • Power supply voltage is too low

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the input power supply voltage.

  2. 2

    Ensure the power source is providing adequate voltage.

Browse all codes in this manual (51)
Verified technical data. Last updated: April 2026

Related Faults

1Fault code 1 — Inverter DC voltage overload fault10Fault code 10 — PFC fault (level)11Fault code 11 — PFC power detection of failure
Source: Rheem Air Handlers
Open Manual (Page 186)Search more codes in this manual