I purchased the above timer to replace a single pole light switch. I wanted the timer to turn onm my porch lights a dusk and off atr dawn. I wired the timer per included instructions. I programed it per instructions.

GE SunSmart 7-Day Programmable Timer, 2 Outlet, Plug In, Indoor, Large Digital Display, 7 Weekly Programs, Vacation Security Mode, for Lamps and Appliances, Incandescent CFL & LED Ready, 15079 - Plug In Timer Switches - Amazon.com. View and Download GE SunSmart 15312 programming instructions online. SunSmart 15312 Timer pdf manual download.

The video panal shows the correct time, the word AUTO and off or on. The on or off can be changed by pressing the override. However this is the only way to turn on or off the porch lights. The programmed on at dusk and off at Dawn does NOT work. I have reprogrammed twice to no avail. I now have a $30 single pole switch in esence. Before I take it out and replace with the original single pole switch, I am asking for a solution, short of replacement.

Okay.I finally resolved the issue. My wiring was perfectly fine, and it was a programming issue. I basically took the time to go through the unit's goofy user interface and GE documentation and just assumed what the documentation was 'trying' to say, but didn't. Long story short.You can only have 1 program active. The documentation doesn't say that. What I did was this: Programming ON/OFF Events: 1. Press 'SETUP' twice to begin programming times.

P1 (Program 1) ON should be blinking. Press 'ENTER' to begin setting P1 ON time. You may also use the + or – buttons to scroll through all 7 programs. The screen will show SET, if you wish to set a time press 'ENTER' to confirm. You may also use the + or – button to scroll to DEL. ( If you have to Delete extra/additional programs, which I had to do, you'll need to use this step/process).

If you press 'Enter' on DEL you will delete the program you are on. ( Had to do this for P2) 4. If you pushed 'ENTER' at SET for P1 the screen will show PRG, P1 ON and the days of the week will be blinking.

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Use the + or – buttons to scroll through the options in which the timer will be active. The options are: • S, S • M, T, W, F • M through S: Individual days • T, TH • M, W, F • S, M, T, W, Th, F, S (default) - - ( I used the DEFAULT option and all of those days were blinking) 5. Choose the days you want the program to be active and press 'ENTER.' Now that you have chosen the DAYS THE TIMER WILL FUNCTION the next step is to choose the TIME. Android installer download. The screen should show DAWN blinking. There are 3 options to choose from when selecting the program ON time.

Use the + or – to scroll through the options. Options are either • DAWN, • DUSK, or • TIME (to set custom time).

• If you would like the timer to turn ON at the Pre Set time for DAWN press 'ENTER' and move to P1 OFF setting. • If you would like the timer to turn ON at the Pre Set time for DUSK use the + or – buttons to change the option on the screen to DUSK and press 'ENTER' and move to P1 OFF setting • If you would like choose a custom time other than DAWN or DUSK use the + or – buttons to change the option on the screen to TIME and press 'ENTER'. The hour should be blinking.

Use the + or – to set the correct hour. If you pass 11 to 12 you will change the • AM to PM. Once the correct hour is found press 'ENTER' to confirm. The Minute should be blinking. Use the + or – to set the correct minute. Press 'Enter' to confirm.

After deciding your time, The screen will show PRG, P1 OFF and the days of the week will be blinking. Choose the days you want the program to be active and press 'ENTER'.

Now that you have chosen the days the timer will function the next step is to choose the time the program will turn OFF. There are 3 options to choose from when selecting the program OFF time. Use the + or – to scroll through the options. Options are • DAWN, • DUSK, or • TIME. Just like you did for the ON setting, do the exact same for the OFF setting now. • If you would like the timer to turn OFF at the Pre Set time for DAWN press 'Enter'.

• If you would like the timer to turn OFF at the Pre Set time for DUSK use the + or – buttons to change the option on the screen to DUSK and press 'ENTER'. • If you would like choose a custom time other than DAWN or DUSK use the + or – buttons to change the option on the screen to TIME and press 'ENTER'. The hour should be blinking. Use the + or – to set the correct hour. If you pass 11 to 12 you will change the AM to PM.

Once the correct hour is found press 'ENTER' to confirm. The Minute should be blinking. Use the + or – to set the correct minute. Press 'ENTER' to confirm.

The screen will now say 'SAVE' Press 'ENTER' to save P1 (program 1) to the timer. P2 (Program 2) ON should be blinking.

DO NOT SET UP A PROGRAM FOR P2.this was my problem before. Instead, just push AUTO to complete the program process.Press 'ENTER' to begin setting P2 ON. IMPORTANT NOTE: If you have other programs set (P2 through P7), you'll want to delete those. How do you know if an additional program is set? Good question.Very easy. As you toggle through the programs, each one should have ' --:-- ' If not, then you've entered soemthing there and you need to delete it.