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goodman mant thanks but your page no's and fig's are not relating to my manual.

hi there, thanks for the replys, i have checked the diverter valve and spindle seems to be operating although makes quite a noise. also the red light on the flow switch is visible when d.h.w. is opened but nothing when the c.h. is switched on. just to confirm the boiler is biasi...

hi everybody. i'm having problems with my boiler. biasi riva compact m90e.24s the problem is the c.h. when switched on wheather on constant or through the timer it kicks in for about 30sec then trips out leaving the green light flashing fast. the d.h.w. is working fine and if i leave...