http://waterheatertimer.org/UPM-timers-and-manuals.html
This line of timers has mostly disappeared from market... I do not know who is offering tech support for the product.
If you purchased the timer recently, it may be previously used or non-functioning.
The manual is complicated and incomplete ... probably because they have built-in or intuitive steps that display when you program the timer... or they assume you want to fiddle around with their product.
It appears the timer must be wired correctly prior to programming.
http://waterheatertimer.org/How-to-wire-timers.html
- you set the current time first... you toggle through menu choices using arrow keys... go to clock...press set.. toggle to find current day (today) and then press set button... then do the same for hour and minute... pressing set button to confirm each selection.
- to program... you toggle through menu choices using arrow keys... when 1 ON appears on display... press set... select day or days for program 1 on using arrow keys... press set... select hour and minute... and press set after each to confirm selection.
These steps confirm setting for program 1 ON ...the day hour and minute that program 1 turns ON
Each ON program requires OFF program..
Probably the timer automatically displays program 1 OFF as soon as program 1 ON is set... then you follow same steps to select day, hour and minute for program 1 off.
Repeat steps to set up to 20 programs.
Do not touch buttons for period of time, and the timer probably displays current time and is ready to go, but manual is unclear about setting the mode..
http://waterheatertimer.org/How-to-troubleshoot-timers.html#in-wall
Gene
Water Heater Timers Save Money If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
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When the switch is ON, the light operates in dusk-to-dawn mode. In this mode, the light automatically turns on at sunset and turns off at sunrise. When the switch is off, the light stays off.
Press P (program )on the timer and display will show then change the desired day, time and minute using the D+, H+ and M+ buttons. Press P again to set up another program and repeat the second step as above
Clear memory by pushing the reset button on the timer then reprogram using your current schedule when you want the timer to go off/on. Use the day and clock buttons for this then press enter
No, the timer should not make any noise. The noise should be a result of loose connections which cause arcing, which can make a humming or buzzing sound.
If you find that you still notice the sound, even when the main breaker is off then the problem is not electrical in nature.