To manually reset the timer on your softener simply download the appropriate manual.
Mechanical Timers:
For Mark 50, 57, 59, 512, System 19 and 23, Northbrook, Mark 10, Mark 915: CLICK HERE
For Mark 89, Mark 812, Mark 915, Estate, N8 Custom, Super S, Cullneu, Cullar, Cullsorb, Filtr-Cleer: CLICK HERE
Digital Timers:
For Mark 100, Silver, Premier, Platinum: CLICK HERE
For Mark 1000 Softeners and Filters: CLICK HERE
For HE Softeners and Filters, Platinum, Platinum Plus: CLICK HERE
For Aquasential Select Softeners and Filters, Aquasential Select Plus, Iron-Cleer 2: CLICK HERE