Greetings all, I am experiencing a problem with my I-90, If I try to advance the current beyond 25A I get a lot of electrical noise -sounds a bit like arcing but I've checked all components on the power supply and laser head and find no evidence of this. The voltage across TP16-36 is 240V with the tube not struck and 190V at 25A also the relay next to TP28 keeps closing -I think that the tube might be trying to take gas fills but I think that the autofill has been disconnected. If anyone has any experience of this problem I'd appreciate it if they let me know Regards, Arnold _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Arnold Richard Pizzey Department of Haematology Royal Free and University College London Medical School 98 Chenies Mews London WC1E 6HX U.K voice: +44 020-7679-6234 Fax: +44 020-7679-6222 email: a.pizzey@ucl.ac.uk _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
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