Carrier 58UVB Furnace Flame Rollout Switch Manual Reset

The Carrier 58UVB furnace flame rollout switch is a critical safety device designed to detect flame rollout conditions and shut down the furnace to prevent potential hazards. This manual covers the proper reset procedures, troubleshooting steps, safety precautions, and maintenance guidelines for the flame rollout switch on Carrier 58UVB furnace models. Below are key sections for safety warnings, identification, reset procedures, troubleshooting, and maintenance.

1. Safety Warnings and Precautions 2. Identifying the Flame Rollout Switch 3. Reset Procedure Steps 4. Troubleshooting Common Issues 5. Maintenance Guidelines 6. When to Call a Professional 7. Specifications 8. Frequently Asked Questions

Safety Warnings and Precautions

Before attempting any reset procedure, ensure you understand these critical safety warnings.

Warning	Description
Electrical Hazard	Turn off power at circuit breaker before accessing furnace components
Burn Risk	Allow furnace to cool completely before touching any components
Gas Leak	If you smell gas, evacuate immediately and call emergency services
Repeated Tripping	Do not repeatedly reset switch without identifying root cause
Professional Service	Contact qualified technician if unsure about any procedure

Identifying the Flame Rollout Switch

The flame rollout switch is typically located near the burner assembly area.

Locate furnace access panel and remove safely
Identify small rectangular device with red reset button
Check for wiring connected to switch (usually two wires)
Verify model number matches Carrier 58UVB specifications
Note switch position and orientation for proper reassembly

WARNING! Always disconnect power before accessing furnace interior. Wear protective gloves and eyewear.

Reset Procedure Steps

Follow these steps carefully to manually reset the flame rollout switch.

Turn off furnace power at circuit breaker and thermostat
Allow 30 minutes for furnace to cool completely
Remove furnace access panel carefully
Locate flame rollout switch near burner assembly
Press the red reset button firmly until click is heard
Replace access panel securely
Restore power at circuit breaker
Set thermostat to call for heat and observe operation

CAUTION! If switch trips again immediately, do not continue resetting. Contact professional technician.

Troubleshooting Common Issues

Switch won't reset: Check for continuous fault condition
Repeated tripping: Investigate restricted airflow or burner issues
No click when pressing: Switch may need replacement
Furnace doesn't start: Verify power restoration and thermostat settings
Unusual odors: Shut down immediately and call professional

Maintenance Guidelines

Regular maintenance can prevent flame rollout switch issues.

Monthly: Check air filters and replace if dirty. Quarterly: Inspect burners for debris. Annually: Schedule professional furnace inspection and cleaning.

Important: Keep combustion air vents clear of obstructions. Ensure proper ventilation around furnace.

When to Call a Professional

Contact qualified HVAC technician if you experience:

Flame rollout switch trips repeatedly after reset
Visible damage to switch or wiring
Unusual sounds from furnace during operation
Gas odor detected at any time
Uncertainty about any procedure in this manual

Emergency: For gas leaks or smoke, evacuate and call 911 immediately.

Specifications

Compatible Models: Carrier 58UVB series furnaces
Switch Type: Manual reset thermal cutoff
Temperature Rating: Varies by specific model
Electrical Rating: Typically 120V AC
Reset Method: Manual push-button
Location: Burner compartment, near heat exchanger
Wiring: Normally closed circuit, opens on fault

Frequently Asked Questions

Question	Answer
How many times can I reset the switch?	Only reset once. Repeated tripping indicates underlying issue.
Is it safe to reset myself?	Only if you follow all safety procedures and feel confident.
What causes flame rollout?	Restricted airflow, blocked vents, cracked heat exchanger.
Can I replace the switch myself?	Only if qualified. Improper installation can be dangerous.
How often should maintenance be performed?	Professional inspection recommended annually.

Support: Carrier Customer Service: 1-800-CARRIER, www.carrier.com