More information is needed.
Open following link for Intermatic-Malibu resources:http://waterheatertimer.org/Malibu-power-pack-stopped-working.html
You say clock doesn't work.
Add a comment with following information:
Do you have timer with analog dial?
Does dial rotate as time passes?
Does dial keep good time?
Have you put the black and red trippers in place?
Are trippers push all the way down?
Have you set current time by rotating clock dial 2 full turns before rotating dial to current time?
Intermatic/Malibu ML series timers come with 5-year warranty.
Product is covered by warranty.
Upvote the help.
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