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WARNING

WARNING: UNIT COMPONENT HAZARD

Bryant · Fan Coil Units

What does WARNING mean?

Operating the unit without a filter can cause damage to the blower motor or coil. Always use the correct filter.

Common Causes

  • Operating the unit without a filter installed.
  • Using a filter not approved for this unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Never operate the unit without a filter.

  2. 2

    Use factory-authorized filter kits when the filter is located inside the unit.

  3. 3

    If an internal filter cannot be used, install a field-supplied filter in the return duct system.

Browse all codes in this manual (3)
Verified technical data. Last updated: April 2026

Related Faults

CAUTIONCAUTION: PROPERTY DAMAGE HAZARDNuisance sweatingNuisance sweating may occur if the unit is installed in a high humidity environment with low airflow
Source: Bryant Fan Coil Units
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