djtuffer Posted March 3, 2011 Share Posted March 3, 2011 Hi Guys, When repairing fixtures is it safe to run discharge fixtures without a lamp so you can troubleshoot problems? If not, what should you do so that they can be powered up with the covers removed for repairs? Cheers Link to comment Share on other sites More sharing options...
adam2 Posted March 3, 2011 Share Posted March 3, 2011 In general I would advise against running the fixture without a lamp.The ballast will try to strike the lamp, resulting in very high voltages being present, not only possibly dangerous but may shorten the life of the ballast/ignitor. With an electronic ballast the risk is less since these only "try" to light a failed or missing lamp for a short time before giving up. The instructions normaly state not to use without a good lamp fitted. Link to comment Share on other sites More sharing options...
Davethsparky Posted March 3, 2011 Share Posted March 3, 2011 Set them to not auto lamp on. Link to comment Share on other sites More sharing options...
DrV Posted March 3, 2011 Share Posted March 3, 2011 For units with the conventional 3 terminal ignitor you can disconnect the live input terminal to it and stick a bit of conn block on the end to keep it safe. Dave Link to comment Share on other sites More sharing options...
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