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Posted by jmcd on May 23, 2008 at 15:16:03:
HI I WAS WONDERING IF YOU CAN HELP I AM ELECTRONIC ENGINEER , I HAVE MAINTAINED MY BOILER FOR THE LAST 10 YRS RENEWING MANY PARTS 3 x PUMPs, ELECTRODE, FAN, DIAPHRAMS ETC THE PROBLEM I HAVE JUST NOW IS, NO HOT WATER, NO HEATING. I CAN HEAR A CLICKING NOISE LIKE A RELAY ? OCCASIONALLY WHEN I TAP THE CIRCUIT BOARD THE HEATING OR HOT WATER WILL WORK BUT THE PROBLEM IS STILL THERE , CAN YOU HELP OR ADVISE WHAT AND HOW , I RECENTLY FITTED BOTH A NEW PUMP AND FAN ABOUT A MONTH AGO WAS WORKING PERFECTLY TILL THE OTHER DAY , CAN YOU HELP , THANKS mac4@lineone.net