lxkev Posted July 8, 2012 Share Posted July 8, 2012 I have a old martin roboscan 918. The lamp only strikes every once in a while, (tried new lamp), So my next thought is that the IGNITOR or ballast has a fault... Anybody know of any easy way I can test the two components for a fault? Link to comment Share on other sites More sharing options...
david.elsbury Posted July 8, 2012 Share Posted July 8, 2012 Have you got a second unit you can swap parts from, one by one, until it works? Link to comment Share on other sites More sharing options...
PaulDF Posted July 8, 2012 Share Posted July 8, 2012 As it does work occasionally then it isn't as likely to be a ballast, the ignitor is a more likely suspect of the two. To check the ballast just do a resistance check across it.It is also worth checking that the circuit is getting a supply, theres no loose connections, the heat sensor is closed circuit and the lamp holder is in good condition.Be very careful when working with discharge lighting as there can be high voltages present and a multimeter won't like being connected across a striking lamp circuit - to test mine last time I disconnected the L&N supply to the lamp circuit and put into terminal block. Link to comment Share on other sites More sharing options...
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