Circle CF18DD Fluorescent Light Bulb
INTRODUCTION
A high-performance 18-watt CFL bulb, the Circle CF18DD is made to provide bright, efficient lighting for both business and household areas. This bulb’s T4 shape and 3500K color temperature produce a well-balanced, warm white light that is perfect for indoor spaces like kitchens and workplaces.
With a high efficiency of 66.67 lumens per watt, this energy-efficient compact fluorescent light (CFL) produces an amazing 1200 lumens when running at 120 volts. A wide range of compatibility across various electrical systems is ensured by the approved voltage frequency of 100-240V at 50-60Hz. With an average lifespan of 10,000 hours, this long-lasting bulb from Circle reduces the need for frequent replacements. The CF18DD, which was first released on July 27, 2016, is still a dependable lighting option for daily usage and is reasonably priced at $15.99.
SPECIFICATIONS
| Brand | Circle |
| Price | $15.99 |
| Bulb Shape Size | T4 |
| Voltage | 120 Volts |
| Color Temperature | 3500 Kelvin |
| Brightness | 1200 Lumens |
| Controller Type | Push Button |
| Power Source | Corded Electric |
| Power Consumption | 18 Watts |
| Light Source Type | CFL (Compact Fluorescent Lamp) |
| Accepted Voltage Frequency | 100 to 240 Volts, 50-60 Hertz |
| Control Method | App |
| Average Life | 10,000 Hours |
| White Brightness | 1200 Lumens |
| Efficiency | 66.67 lumens per watt |
| Product Dimensions | 6.93 x 3.31 x 3.11 inches |
| Weight | 9.91 ounces |
| Date First Available | July 27, 2016 |
WHAT’S IN THE BOX
- Light Bulb
- User Manual
FEATURES
- Energy-efficient: Light is economical because it uses only 18 watts and produces 1200 lumens.
- High Brightness: Provides brilliant illumination with an output of 1200 lumens.
- Neutral White Light: Perfect for homes, workplaces, and commercial areas, this light has a warm yet neutral hue thanks to its 3500K color temperature.
- Compact Construction: It fits into a variety of fixtures thanks to its T4 shape and double-tube construction.
- Long Lifespan: With a 10,000-hour lifespan, fewer replacements will be required.
- 4-Pin G24q-2 Base: Guarantees a snug fit in compatible fixtures.
- Multi-Voltage Compatibility: It is adaptable to many geographical locations and operates with power supply ranging from 100 to 240V.
- App-Controlled: Some fixtures can be operated remotely thanks to compatibility with smart control apps.
- Push-Button Controller: Provides simple control through manual operation.
- Stable Performance: Reduces eye strain by operating smoothly with less flickering.
- Low Heat Emission: Prevents overheating by producing less heat than incandescent bulbs.
- High Efficiency: Optimizes energy utilization with 66.67 lumens per watt.
- Compact & Lightweight: It is simple to handle and install, weighing just 9.91 ounces.
- Sturdy Construction: Constructed from premium materials, guaranteeing longevity and reliable operation.
- Compatible Replacement: Panasonic FDS18E35/4 bulbs can be easily switched out by replacing them directly.
SETUP GUIDE
- Turn Off Power: Before beginning installation, turn off the power source or unplug the fixture.
- Check Compatibility: Ensure the fixture is compatible with G24q-2 4-pin CFL bulbs.
- Remove Old Bulb: Let the old bulb cool down before removing it if you’re replacing it.
- Examine the New Bulb: Before installing, look for any obvious cracks or damage.
- Align Pins Correctly: Ensure the 4-pin base and socket are correctly aligned before insertion.
- Push Straight In: To prevent damage, place the lightbulb into the socket without twisting.
- Secure Placement: Ensure the lightbulb is properly positioned and does not wobble.
- Reinstall Fixture Cover: If your fixture has a cover, make sure it is securely fastened.
- Turn Power Back On: Restore power and turn on the light.
- Verify Operation: Ensure the bulb turns on smoothly and does not flicker excessively.
- Check for flickering: If the bulb flickers or dims, inspect the ballast or connection.
- Adjust Position: Ensure optimal light distribution by properly positioning the bulb.
- Test Smart Control: Pair the fixture with the app if it supports smart control.
- Permit Warm-Up Time: Some fluorescent lights may take a few seconds to reach full brightness.
- Monitor Initial Performance: Observe the bulb during the first few uses to confirm proper operation.
CARE & MAINTENANCE
- Turn Off Before Handling: Always turn off the power source before touching or replacing the lightbulb.
- Avoid Frequent Switching: Rapid on/off switching shortens the bulb’s lifespan.
- Maintain Fixture Clean: Dust and debris accumulation can reduce brightness, so clean the fixture periodically.
- Use in Ventilated Areas: Ensure proper ventilation to prevent overheating.
- Avoid Moisture Exposure: Do not use in damp areas unless rated for such conditions.
- Look for flickering: Persistent flickering may indicate a faulty ballast or the need for replacement.
- Handle by the Base: Avoid touching the glass tube to prevent damage.
- Proper Disposal: Fluorescent bulbs contain trace amounts of mercury and should be recycled.
- Safe Storage: Store extra bulbs in a cool, dry location away from direct sunlight.
- Check Brightness Levels: A noticeable dimming may indicate the bulb is nearing the end of its life.
- Avoid Impact & Vibration: CFLs are delicate and should not be exposed to excessive shock or movement.
- Check for Voltage Compatibility: Ensure the power source matches the required 100-240V range.
- Replace When Necessary: If the bulb blackens or loses brightness, replace it promptly.
- Avoid Extreme Temperatures: Do not expose bulbs to excessively hot or cold environments.
- Inspect Fixture Components: Regularly check the socket and ballast for signs of wear or damage.
TROUBLESHOOTING
| Issue | Possible Cause | Solution |
|---|---|---|
| Bulb not turning on | Loose connection or faulty socket | Ensure the bulb is securely fitted and the socket is working |
| Flickering light | Ballast issue or voltage fluctuation | Check the ballast and ensure stable power supply |
| Light takes time to reach full brightness | Normal CFL behavior | Allow a few seconds for the bulb to warm up |
| Buzzing sound | Loose ballast or electrical interference | Secure the ballast and check for nearby electronic interference |
| Dim light output | Bulb reaching end of life | Replace with a new CF18DD bulb |
| Uneven lighting | Dust or dirt on the bulb | Clean the bulb with a dry cloth |
| Frequent burnouts | Overloaded circuit or incompatible ballast | Verify correct ballast and circuit load |
| Light turns off unexpectedly | Overheating due to poor ventilation | Ensure proper airflow around the fixture |
| Discoloration of light | Aging of the bulb | Replace if color shifts significantly |
| Light stays on even when switched off | Faulty switch or wiring issue | Inspect switch and wiring connections |
PROS & CONS
| PROS | CONS |
|---|---|
| High brightness of 1200 lumens | Not dimmable, limiting flexibility |
| Energy-efficient with 66.67 lumens per watt | Slight warm-up time before reaching full brightness |
| 10,000-hour lifespan reduces replacement frequency | Contains small amounts of mercury, requiring proper disposal |
| Wide voltage compatibility (100-240V, 50-60Hz) | Requires a compatible fixture and ballast |
| Affordable pricing at $15.99 | CFLs are gradually being replaced by LEDs |
WARRANTY
The Circle CF18DD Fluorescent Light Bulb comes with a 1-year limited warranty covering defects in materials and workmanship. If the bulb fails prematurely under normal usage, Circle may provide a replacement or refund upon proof of purchase. Customers should check the warranty terms with the retailer or manufacturer for specific details.
FREQUENTLY ASKED QUESTIONS
Why is my Circle CF18DD Fluorescent Light Bulb flickering?
Flickering may be due to a faulty ballast, loose wiring, or an aging bulb. Check and secure the connections or consider replacing the ballast.
What should I do if my Circle CF18DD Fluorescent Light Bulb does not turn on?
Ensure the bulb is securely installed, the power source is active, and the fixture is compatible with 18W CFL bulbs.
Why is my Circle CF18DD Fluorescent Light Bulb dim?
A dim bulb could indicate low voltage supply or a bulb nearing the end of its lifespan. Try using a different power outlet or replacing the bulb.
Why does my Circle CF18DD Fluorescent Light Bulb make a buzzing noise?
Buzzing may result from a defective ballast or power fluctuations. Consider using a different fixture or replacing the ballast.
How do I reset the app control for my Circle CF18DD Fluorescent Light Bulb?
Unplug the bulb for 5 minutes, then reconnect it and restart the app. If issues persist, try reinstalling the app and re-pairing the bulb.
How is the Circle CF18DD Fluorescent Light Bulb controlled?
The Circle CF18DD can be operated via a push-button switch and also supports app control for remote management.
What is the expected lifespan of the Circle CF18DD Fluorescent Light Bulb?
The Circle CF18DD has an average lifespan of 10,000 hours, ensuring long-lasting use.
What is the voltage requirement for the Circle CF18DD Fluorescent Light Bulb?
The Circle CF18DD supports 120V but is also compatible with a 100-240V range at 50-60Hz frequency.