http://waterheatertimer.org/pdf/Woods-49556-TD1300.pdfLink above is the Woods 49555 manual
If the timer will not program, then it has gone bad.
Plug timer into wall receptacle
Back-up battery will charge in about 1-2 hours > if battery will not charge, then timer is no good
Some digital timers require back-up battery to be fully charged before display will show
Back up battery allows programming while timer is removed from receptacle
After timer is programmed, plug timer back into receptacle
Timer buttons show below
To set current time:
Depress RST (Reset) button to clear programs
Press-and-hold TIME button to select 12 hour or 24 hour display
Press-and-hold SET button. Mo Monday will flash in display
Push arrow button until current day shows
Press SET button again. Hours will flash
Press arrow buttons until current hour shows (am or pm)
Push SET button again. Minutes will flash.
Press arrow buttons until current minutes show
Programming ON-OFFMake a schedule so programs don't conflict
You can set up to 20 on-off programs over 7 days
Each program has ON time Day Hours and Minutes
Each program has OFF time Days Hours and Minutes
Press right-arrow > PROG 1 ON flashes
Press SET > choice of day groupings flash
Press arrow button to select days
Press SET > program1 ON times flash
Press arrows to set ON time
Press SET > program1 for Hour
Repeat sequence described above to set MIN
Repeat sequence to set OFF times for program1
Repeat sequence to set Program2 thru Program20
Press TIME button to finish programming
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