For Example: The earlier non-electronic magnetic type ballasts have a minimum starting temperature of between 50 to 60 degrees Fahrenheit for the T12 F40 lamps, however the newer electronic type ballasts have a minimum starting temperature of 0 degrees Fahrenheit for T8 F32 lamps.Many of the older magnetic types of ballasts are slower to start in colder temperatures and after they do start the lamps flicker until they warm up.In some cases where the ground wire has not been attached correctly, the fluorescent lamps may not light up at all, or the lamps will burn dimly, and this will cause the lamps to burn out prematurely.Fluorescent lights require a ground wire from the electrical circuit to be attached to the metal frame of the light fixture, and the grounded metal reflector must be mounted within 1/2 inch of the lamps.Examine the lamp sockets to see which type your fixture has.Some sockets are made to push the lamp pins directly into place with a little snap-in pressure.Remove the lamp and reinstall it paying attention to lining up the pins with the lamp socket and then giving the lamp a twist to seat the pins into place.This is a very common problem, but is easily fixed.This is where one of the lamp pins is not in the socket or not making contact in the socket.Solid state ballasts are much more energy efficient, produce less heat and are less sensitive to cool temperature starting problems.In most cases the sockets will not require changing, but again, you will need to match the lamps to the ballast.If the fixture had an older magnetic ballast then you may consider upgrading the fixture ballast to a solid state ballast.As indicated above, if replacing a ballast make sure it is intended for the exact lamps that are being used.Lamps are much less expensive that a ballast, and besides, you don’t have to worry about lamps for a while.When you replace a ballast always replace all of the lamps and start fresh.If you allow the lamps to burn out in the sockets this can burn out the ballast.Simply replace the lamps, typically every two years depending on the amount of use.Indicated by dark circles at the end of the lamps.
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The Most Common Problems with Fluorescent Lighting and How to Fix Them Notice: Replacement parts for the light fixture should be compatible with the type of fluorescent lamps that have been installed. Precaution: Identify the light fixture circuit, turn it OFF and Tag it with a Note before working with the wiring. Tools Required: Basic Hand Tools, a Voltage Tester and Safe Ladder.Įstimated Time: Depends on personal experience, the light fixture and access to the light fixture. This electrical wiring project is best performed by a Licensed Electrical Contractor. How to Fix Your Fluorescent Lighting ProblemsĪpplication: Troubleshooting Problems with Fluorescent Light Fixtures. Thanks for your electrical wiring question Jim. This light has 2 U shaped fluorescent lights.īackground: Jim, a Homeowner from Southington, Connecticut.When you hit the switch you see a flicker of light at one end of the U shaped bulbs but that is about it.Now it’s back to not turning on at all.I have replaced the ballast which fixed the problem for about 3 days.Guide to Fluorescent Light Fixtures and How to Fix ThemĮlectrical Question: My Fluorescent kitchen light was not coming on quickly if at all.
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