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Old 01-03-2013, 04:44 PM
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Quote:
Originally Posted by gregzz4 View Post
Are these recent failures replacement ballasts, or more old units failing ?
All three PFO ballasts were brand new, and the Galaxy's as well. That's six ballasts total.
Quote:
Originally Posted by gregzz4 View Post
Have you tried testing the supply voltage during start-up ? A voltage drop/low start-up voltage will fry a ballast over time
I tested the voltages after the failure of the first three, everything seemed to be fine, nothing looked out of range.

Quote:
Originally Posted by gregzz4 View Post
Have you opened any units to determine what is failing ? Capacitor/windings
I haven't but I have two most recent failures I can crack open.

Quote:
Originally Posted by gregzz4 View Post
Maybe a dumb question but, are you matching the recommended bulb types ?
I'm running 400W DE HQI Bulbs and Ballasts
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