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FC

FC — Filter cleaning indicator

Rheem · Air Handlers

What does FC mean?

The 'FC' indicator lights up to signal that the air filter is clogged with dust and requires cleaning.

Common Causes

  • Air filter is clogged with dust

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Locate and remove the air filter.

  2. 2

    Clean the air filter thoroughly.

  3. 3

    Reinstall the clean air filter.

  4. 4

    Reset the filter cleaning indicator using the wired remote controller.

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 145)Search more codes in this manual