1. Introduction
This manual provides instructions for the installation, operation, and maintenance of the UpStart Components 241555401 Refrigerator Light Bulb. This replacement bulb is designed for compatibility with Frigidaire FFHT1621QS4 and other models requiring a 241555401 light bulb. Please read these instructions carefully before proceeding with installation to ensure safe and proper use.
2. Safety Information
Always prioritize safety when working with electrical components. Failure to follow these safety guidelines may result in electric shock, injury, or damage to your appliance.
- Disconnect Power: Before attempting any installation or replacement, always unplug the refrigerator from its power source or turn off the circuit breaker supplying power to the refrigerator.
- Allow Cooling: If the previous bulb was recently in use, allow it to cool down completely before handling to prevent burns.
- Handle with Care: Light bulbs are fragile. Handle the new bulb carefully to avoid breakage.
- Proper Disposal: Dispose of old bulbs according to local regulations.
- Compatibility: Ensure the replacement bulb specifications (voltage, wattage, base type) match the requirements of your appliance.
3. Installation Instructions
Follow these steps to replace the refrigerator light bulb:
- Prepare the Refrigerator:
Ensure the refrigerator is unplugged from the wall outlet or its circuit breaker is switched off. This prevents electrical shock during the replacement process.
- Locate the Bulb:
Open the refrigerator door and locate the light bulb. It is typically covered by a plastic shield or housing.
- Remove the Bulb Cover (if applicable):
Carefully remove any protective cover over the bulb. This may involve unscrewing a screw, prying off clips, or sliding a cover. Refer to your refrigerator's specific model manual if you encounter difficulty.
- Remove the Old Bulb:
Gently twist the old bulb counter-clockwise to unscrew it from its socket. If the bulb is broken, use pliers to carefully remove the base, ensuring no glass fragments remain.

Image 3.1: Close-up of the replacement bulb, highlighting the screw base.
This image shows the E26 screw base of the UpStart Components 241555401 refrigerator light bulb, which is compatible with standard light sockets found in many refrigerators. - Install the New Bulb:
Take the new UpStart Components 241555401 light bulb. Align the base of the new bulb with the socket and gently twist it clockwise until it is securely tightened. Do not overtighten.

Image 3.2: The UpStart Components 241555401 refrigerator light bulb.
This image displays the complete UpStart Components 241555401 refrigerator light bulb, ready for installation. It features a standard bulb shape and an E26 base. - Replace the Bulb Cover:
Reattach the protective cover over the new bulb, ensuring it is securely fastened.
- Restore Power:
Plug the refrigerator back into the wall outlet or turn on its circuit breaker. Open the refrigerator door to verify that the new light bulb illuminates.
4. Operating Instructions
The UpStart Components 241555401 Refrigerator Light Bulb operates automatically with your refrigerator's door switch. When the refrigerator door is opened, the light will turn on. When the door is closed, the light will turn off.
5. Maintenance
This light bulb requires minimal maintenance. To ensure optimal performance and longevity:
- Cleaning: If the bulb or its cover becomes dusty, unplug the refrigerator and gently wipe the bulb and cover with a dry, soft cloth. Do not use liquid cleaners directly on the bulb.
- Replacement: Replace the bulb when it burns out. The lifespan of a light bulb can vary based on usage.
6. Troubleshooting
If the new light bulb does not illuminate after installation, consider the following troubleshooting steps:
- Check Power: Ensure the refrigerator is properly plugged into a working outlet and that the circuit breaker is on.
- Bulb Tightness: Verify that the bulb is securely screwed into the socket. A loose connection can prevent it from lighting.
- Socket Condition: Inspect the bulb socket for any visible damage or corrosion. If damage is present, professional repair may be required.
- Door Switch: Confirm that the refrigerator door switch is functioning correctly. If the switch is faulty, the light may not activate even with a working bulb.
- New Bulb Defect: Although rare, a new bulb can sometimes be defective. If all other troubleshooting steps fail, try installing another new bulb.
7. Specifications
| Brand | UpStart Components |
| Model Number | ALB-241555401-DL5489 |
| Part Number | 241555401 |
| Compatibility | Frigidaire FFHT1621QS4, Frigidaire 241555401 |
| Wattage | 40 Watts |
| Voltage | 120 Volts |
| Bulb Base | E26 |
| Material | Copper (base) |
| Unit Count | 1 |
8. Warranty Information
This UpStart Components replacement part is not an OEM (Original Equipment Manufacturer) product. Any warranties for this product are offered solely by UpStart Components. This product is not affiliated with any other brands mentioned, and is not covered under any warranties offered by the original manufacturers of compatible appliances. For specific warranty details, please refer to the documentation provided with your purchase or contact UpStart Components directly.

Image 8.1: UpStart Components product packaging.
The product is typically supplied in packaging similar to this, which may contain additional warranty or support information.
9. Support
For further assistance, technical support, or inquiries regarding your UpStart Components 241555401 Refrigerator Light Bulb, please contact UpStart Components customer service. Refer to the product packaging or the retailer's website for contact information.