1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your Philips 268243 PL-T 26W/35/4P/ALTO Compact Fluorescent Light Bulb. Please read these instructions thoroughly before use and retain them for future reference.
2. Product Overview
The Philips 268243 is a 26-watt triple tube compact fluorescent lamp designed for general lighting applications. It features a 4-pin (GX24q-3) base and emits a 3500K cool white light, providing 1800 lumens of brightness with an average lifetime of 12,000 hours. This bulb is energy-efficient and suitable for indoor use.
Figure 1: Philips PL-T 26W/35/4P/ALTO Compact Fluorescent Light Bulb. This image shows the triple-tube design and the 4-pin base of the bulb.
3. Safety Information
- WARNING: Risk of electric shock. Always turn off power to the fixture before inspecting, installing, or removing the bulb.
- Do not use this bulb in dimmable fixtures unless specifically rated for dimming.
- Do not use in totally enclosed luminaires unless the luminaire is designed for compact fluorescent lamps.
- Avoid touching the glass portion of the bulb with bare hands during installation or removal. Oils from skin can reduce bulb life.
- Dispose of used bulbs according to local regulations. Compact fluorescent lamps contain small amounts of mercury.
- Ensure the bulb is securely seated in the fixture to prevent accidental dislodgement.
4. Setup and Installation
- Step 1: Power Off. Ensure the power supply to the light fixture is completely turned off at the circuit breaker or wall switch before beginning installation.
- Step 2: Remove Old Bulb (if applicable). If replacing an existing bulb, allow it to cool completely. Gently grasp the base of the old bulb and pull it straight out from the socket. Do not twist the glass tubes.
- Step 3: Insert New Bulb. Align the 4 pins on the base of the new Philips PL-T bulb with the corresponding slots in the GX24q-3 socket. Gently push the bulb straight into the socket until it is firmly seated. Do not force the bulb.
- Step 4: Power On. Restore power to the fixture at the circuit breaker or wall switch.
- Step 5: Test. Turn on the light switch to confirm the bulb is functioning correctly.
5. Operating Instructions
This Philips compact fluorescent bulb operates like a standard light bulb. Once properly installed and power is supplied, simply use the wall switch or fixture control to turn the light on or off. Allow a brief warm-up period for the bulb to reach full brightness.
6. Maintenance
- Cleaning: Ensure the power is off and the bulb is cool before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Replacement: Replace the bulb when it reaches the end of its useful life (indicated by flickering, dimming, or failure to light). Follow the installation steps for replacement.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light. | No power to fixture; Bulb not properly seated; Bulb has reached end of life; Faulty fixture or ballast. | Check circuit breaker and wall switch. Ensure bulb is fully inserted. Replace bulb. Consult an electrician if fixture or ballast is suspected. |
| Bulb flickers. | Loose connection; Bulb nearing end of life; Incompatible dimmer; Cold ambient temperature. | Ensure bulb is securely seated. Replace bulb. Do not use with incompatible dimmers. Flickering may occur briefly in cold conditions. |
| Reduced brightness. | Bulb nearing end of life; Dust accumulation. | Replace bulb. Clean bulb and fixture regularly. |
8. Specifications
- Brand: Philips
- Model Number: 268243 (PL-T 26W/35/4P/ALTO)
- Light Type: Compact Fluorescent
- Wattage: 26 Watts
- Voltage: 120 Volts
- Base Type: 4-Pin (GX24q-3)
- Color Temperature: 3500 Kelvin (Cool White)
- Brightness: 1800 Lumens
- Color Rendering Index (CRI): 82
- Average Lifetime: 12,000 Hours
- Bulb Shape Size: T (Triple Tube)
- Material: Copper
- Indoor/Outdoor Usage: Indoor
- Item Weight: 2.89 ounces
- UPC: 046677268244
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or visit the official Philips website. Keep your proof of purchase for warranty claims.
