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home Fix label Heating label_important Home Heating Systems

Morco combi boiler fault?

My Morco combi boiler FEB-24ED shows a fault F4 (Hi Limit Thermostat Failure) how do I repair this.
Thanks
jim mcmartin, February 2014
home Fix label Heating label_important Home Heating Systemsdone
yes shows f2 fan does not switch off boiler works initially but will not restart as fan will not switchn off shows f2 and neither bheating or hot water works

jack, June 2017
hi limit thermostat needs changing

terry, December 2014

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