If only one end of a tube appears blackened, reverse the tube end-for-end and reinstall it after cleaning the pins. Check the sides of the lantern to make sure the bottom was screwed on correctly. When the switch is turned on or off, it makes contact with the motherboard which signals whether or not the lantern should be activated or not. Be sure to do this when the light switch is turned off. Be sure to do this when the light switch is turned off. This is a small cylinder, approximately 2 inches long and usually silver colored. 08/08/2019 I cleaned the prongs that hold the light with alcohol and a Q-Tip but that didn't help. In other words: if the fluorescent light ballast doesn’t work, your bulbs won’t work either. This fluorescent light fixture in my garage either wouldn't turn on at all or would flicker so much it wasn't even worth it. In many fluorescent fixtures, power is sent through a pair of bulbs. These two prongs must be vertical in order to remove the bulb. It's not REALLY four times, because the ballast and bulb become less efficient, the more current you drive through it. Make sure the lantern has been plugged into charge for at least 8 hours and the charging light is on while it is plugged in. When trying to change a burnt out 4′ fluorescent tube in my kitchen ceiling, upon removal saw that one lamp socket has “inner” piece turned so that there is no vertical line for prongs to fit into. If a fluorescent tube neither lights nor flickers when switched on, first check to see that the fixture is plugged in and that no fuse has blown or circuit breaker has tripped. This will scour away minute deposits of corrosion or dust that can sometimes hinder the flow of electricity. It should twist out of the socket. Socket shapes vary, but the tube-removal process is the same. The sockets, as well as other components, should also be firmly fixed in place. In rare cases, the battery must be removed and a new one should be installed. If the fluorescent tube is flickering or dead when you turn the light switch on, remove the light diffuser, if any. Check the bottom of the lantern to make sure that the 3 screws and screwed tight to make sure that no more water/condensation can make its way into the device. Avoid any contact with rain/condensation if unable to make sure bottom of lantern is attached properly. If the tube is circular, simply unsnap it from the brackets supporting it and pull it free from the single socket. Tubes whose ends are blackened usually are wearing out. Check that the plastic twist-on connectors joining the wires are firmly tightened and that the ground wire (usually green) is fastened tightly to the metal body of the fixture. Electronic ballasts, when they no longer work, simply don't fire the tubes at all. Check the circuit board for discoloration or burn marks where it may have shorted. 07/06/2020 Accessibility, Coleman Rechargeable Fluorescent Twin Tube Troubleshooting, Red light on front of lantern does not indicate charging, When left connected to the charging cable for a reasonable amount of time, the lantern will not illuminate on battery power, When the battery is removed and the lantern is running off power from the outlet, it does not power on, Switch is not making connection with wire, Switch is not turning on due to fried motherboard, Lantern has gotten wet or fell into the water. If I wasn't worried about the bulb breaking I might even grab the bulb a bit tighter - but worried about breaking it & splattering glass. But when I insert it into the lantern the lantern won’t light ??? Corrosion could be an indicator of a dirty battery connection. I wouldn’t mind but I didn’t use this lantern that often ??? If it’s a clear incandescent bulb, you can look at the filament directly to see if it is broken. If you cannot get the bulb out, then I would ask someone to help. 0:19. J.B. Pritzker gives a coronavirus update, After Twitter outcry, 5 women detail Chris D’Elia’s alleged sexual improprieties. As a result, simply replacing the bulb-actually a tube-when a fluorescent light develops problems will not always remedy the situation. When the switch is unable to move, the motherboard will be unable to send a signal for the light to turn on. LED and fluorescent bulbs won’t rattle when they die, so this method has limited uses. If noise is the only problem, get a low-noise ballast, which is clearly marked as such. If a fluorescent tube blinks on and off-a slower and more distinct process than flickering-the fault may lie in loose wiring or in another component, called the ballast. If this does not help, try wiggling the tube gently in its sockets by rocking it back and forth and from side to side. At least 106 people shot, 14 fatally, in Chicago weekend violence, Watch live: Gov. The tube is junk when that happens. If all the wires are connected and the battery has a charge, the motherboard may be faulty. Lynn - When the lantern is plugged in and fully charged, it won’t last the normal amount of operating time before dying. If the fluorescent lights in your kitchen take a while to turn on, several different components might be at fault. If the charger has been connected, it can be assumed that the battery should have some level of a charge. Condensation or water has gotten into the housing of the lantern and caused damage to the battery and/or electronics. If the tube is blackened only along one side, rotate it after cleaning and reinstall it so that the blackened portion is turned 180 degrees from its former position. Battery Leak ; Charging cable has no effect. Once removed, look at the fluorescent tube for dark spots near either end of the bulb. sonatra23 - I have a two-bulb F28T5 light fixture that went out and replacing the bulbs with new ones did not fix it. If the bulbs have two prongs on each end you have to twist the bulbs in their socket 90 degrees and they'll slide out through the slots. When inspecting the ends, examine the glass portions. Pull one end straight down to free it from the socket and then lower the entire bulb. Leave the charger connected to the lantern for a period of time, the charging functionality may still be intact. Night light works. More Buying Choices $7.45 (4 used & new offers) SYLVANIA CFL T2 Twist Light Bulb, 60W Equivalent, Efficient 13W, E26 Medium Base, 6500K Daylight, 3 pack. Fluorescent lights are more efficient than incandescent ones, but also more complicated. So, the first 4-pin triple tube fluorescent bulb goes out. If the bulb hasn't broken, then I would wear a leather glove and eye protection. Electric rechargeable multipurpose lantern, Light bulb does not illuminate when lantern switch is turned to on. The switch sends a signal to the motherboard which acts as the central operating system. Bulbs typically last for at least a year, often much longer. A wire that appears disconnected probably is, and should be reconnected. The starter is responsible for the momentary delay in lighting when some fluorescent tubes are switched on. The battery shows green when I go to charge it?? With these, dirt on the tube can sometimes prevent lighting or can cause flickering. Gently unscrew the light bulb, guiding it from the two electrodes, and ensure they aren't bent or missing. If the battery is failing to hold a charge after being plugged in for 12 hours (full charge time), it could be due to a leak coming from the battery. Also, check to make sure the current lightbulbs are not broken and defective. To clean the ends of a tube, scrub the pins projecting from them with fine-grit sandpaper, then wipe away all dust with a cloth or paper towel. If the light malfunctions, the ballast is at fault and must be replaced. If either bulb is bad, they may both flicker or one may flicker and the other show no life. Reply. Replacing either bulb is a simple reversal of the above. Many incandescent bulbs will make a light tinkle sound when they are still live, but a deeper, more obvious tinkle indicates the bulb has burnt out. These pins fit in slots in the light fixture. When fluorescent bulbs are properly installed the two metal prongs on the end lie horizontally. You can replace your T12s with a linear LED, or strip out the entire fixture and replace the fixture and the bulb. Because tubes consume greater amounts of electricity during starting, it is actually best to leave fluorescent lights burning rather than turn them on and off at frequent intervals. 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