Carrier® Recalls to Repair Commercial Rooftop HVAC Units Due to Fire Hazard (Recall Alert)

The HVAC's humidimizer fan can fail to shut off when a connected smoke detector is tripped, posing a fire hazard.

Recall #: 18731
Affected scope: About 530

Compiled from official public sources by the publisher. · Updated October 2026

Carrier México, S.a. de C.v. recalled This recall involves Carrier WeatherExpert 6-23 ton, 48/50 series, light commercial rooft….

Carrier® Recalls to Repair Commercial Rooftop HVAC Units Due to Fire Hazard (Recall Alert) was recalled by Carrier México, S.a. de C.v. in March 19, 2018. Reason: The HVAC's humidimizer fan can fail to shut off when a connected smoke detector is tripped, posing a fire haz…. Remedy: Purchasers should immediately contact their Carrier dealer for a free repair, which consi…. Verify recall #18731 with the CPSC before acting.

The recall

Carrier México, S.a. de C.v. issued this CPSC recall-The HVAC's humidimizer fan can fail to shut off when a connected smoke detector is tripped, posing a fire haz….

None
agency class: March 19, 2018
reported

Sourced from official CPSC enforcement records. Verify recall #18731 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 6 from CPSC - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Product description

This recall involves Carrier WeatherExpert 6-23 ton, 48/50 series, light commercial rooftop HVAC units intended for use in commercial and institutional buildings and that have a factory installed dehumidification feature. The model numbers are 48/50LC07-26 with an A in the 6th digit and a 0 (zero) in the 14th digit of the model number (e.g., 48LCTA24F2M5-0S1B3). Note that dashes should be counted as digits in the model number. The serial numbers are 1214P to 3317P. The model and serial number can be found on the unit rating plate located on the back of the unit.

Reason for recall

The HVAC's humidimizer fan can fail to shut off when a connected smoke detector is tripped, posing a fire hazard.

Remedy, what to do

Purchasers should immediately contact their Carrier dealer for a free repair, which consists of free replacement and installation of the electronic control board. The firm is contacting all known purchasers.

Recall Profile

Structured summary of the CPSC recall record
Attribute	Value
Agency	U.S. Consumer Product Safety Commission
Severity class	Not classified by agency
Status	Active
Recall number	18731
Date reported	March 19, 2018
Date initiated	March 19, 2018
Recalling firm	Carrier México, S.a. de C.v.
Affected scope	About 530
Distribution	Not disclosed
Official source	CPSC notice →

Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.

What to do with this recall

Purchasers should immediately contact their Carrier dealer for a free repair, which consists of free replacement and installation…

Check the recall number (18731) and product description against the item you own. Search the archive
Confirm the current status and remedy on the official CPSC notice before acting. CPSC notice
Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official CPSC record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled? ▼

Why was this product recalled? ▼

The HVAC's humidimizer fan can fail to shut off when a connected smoke detector is tripped, posing a fire hazard.

What should consumers do? ▼

Which agency issued this recall? ▼

This recall was issued by the CPSC on March 19, 2018. CPSC does not publish a hazard classification for this recall. Recall number: 18731.

How do I report an injury from a recalled product? ▼

Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

Nationwide recalls with similar severity or category timing

Consumer-product notices outside this firm and state, matched by severity timing and product category.

Similar severity · nearest report date

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This recall: CPSC, reported March 19, 2018. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026