BALLAST PROBLEM - KEEPS BLOWING

by **danny0011** » Mon Jan 26, 2009 11:03 am

Hi,
i have a large light fitting in a shop which holds two 70watt flourescent tubes
these are run off a PHILIPS HF PERFORMER BALLAST i have had to have the ballast replaced but when it was done the ballast blow within 10 mins

the fitting is new and only been in around 5 months

the person who fitted the ballast is a site electrician but could not tell me why the ballast blow the first time or why this one had blown
any info would be helpfull
thanks

by **sparx** » Mon Jan 26, 2009 11:00 pm

Hi, don't know why original ballast died, but is replacement correct rating for your 6Foot high frequency fitting or standard 5Foot type?
regards Sparx.

by **danny0011** » Tue Jan 27, 2009 1:20 pm

Hi its a 6 Foot high frequency fitting 2 x 70watt tubes, one on each side of the fitting,
the ballast put in was a

HF-Performer II TLD 2x70watt Philips Ballast

is there anything in the fitting that would cause the ballast to blow
thanks