LW28080 is NCC brand digital power center.
Copy following link to identify timer and download manualhttp://waterheatertimer.org/Woods-timers-and-manuals.html#0050024
Programming should start on the day you selected for Program 1 ON. So if Tues was selected, timer should start Tuesday.
Use paper clip, and push in Reset button for 2 seconds. Repeat. Always
reset digital timers before programming to clear memory glitches.
Plug timer in for 10 minutes to charge battery.
Be sure to set current time with correct day, hour am-pm and minute.
Each ON program requires OFF program
Set program 1 ON and then set program 1 OFF.
Make sure selected day(s) of operation match for both ON and OFF settings.
Check am-pm conflicts in programming.
Avoid 12:00, to avoid am-pm confusion. Use 12:01 or 11:59
Avoid programming overlaps and conflicts that cause timer not to function as expected.
When programming is finished, press current time button to return to current time.
It appears timer is ready for programmed operation at this point.
Install Mi-MH battery that comes with timer.
Do not exceed watt rating.
This timer comes with 1 year limited warranty and can be expected to last 1 or 2 seasons, and probably quit season 3.