Hi can anyone help me please, I've replaced my danfoss fp715si with the danfoss fp720 but setting the times ch and hw it will only allow to go to 11.58pm it won't go beyond 11.oopm you then after use the minutes to put the extra 59 minutes to it? I'd set at 7 days 4 on offs and 12hr clock I can't understand why on a Saturday night I can't have the heating on from 4.30pm to 1.30am in the early morning, or it me