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Old 02-12-2013, 11:27 AM   #31
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Problems, GE SunSmart Digital Timer 15312


While not a licensed electrician, I became at least as frustrated as you !

What saved me was my cell phone and the helpful tech who talked me through the set-up process

Jasco products
Jascoproducts.com
800.654.8483 option 1

---alan
Vancouver-WA

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Old 04-19-2013, 04:38 PM   #32
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Problems, GE SunSmart Digital Timer 15312


After following suggestions in this site I was able to program the timer January 2012. In the past 15 months the timer clock has gained 45 minutes,so now it appears I need to reprogram everything from the beginning.
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Old 06-16-2013, 07:16 PM   #33
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Problems, GE SunSmart Digital Timer 15312


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Originally Posted by Daniel16 View Post
After following suggestions in this site I was able to program the timer January 2012. In the past 15 months the timer clock has gained 45 minutes,so now it appears I need to reprogram everything from the beginning.
I am having a time issue also. My unit is running slow. My unit is brand new. Bought it a month ago but just got to install it yesterday. ( lost the receipt cause who keeps those) Example: when i set the clock to 10:00AM and i come back 1 hour later (60 minutes) the time now shows 10:30AM. i am literally losing 12 hours a day. Im hopping for a quick fix otherwise i wasted my money.
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Old 06-19-2013, 06:57 AM   #34
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Problems, GE SunSmart Digital Timer 15312


Quote:
Originally Posted by PcFixerGuy

I am having a time issue also. My unit is running slow. My unit is brand new. Bought it a month ago but just got to install it yesterday. ( lost the receipt cause who keeps those) Example: when i set the clock to 10:00AM and i come back 1 hour later (60 minutes) the time now shows 10:30AM. i am literally losing 12 hours a day. Im hopping for a quick fix otherwise i wasted my money.
Something is wrong with device. All of these types of devices count the 60 cycle to keep track of time. The utilities are regulated to keep the 60 Hz very accurate. As such the time should be accurate to a couple seconds a year...

Get a new timer I suspect. If you want to try something install a regular incandescent bulb and not some newer cfl or led style. These timers depend on a small leakage current through the load to work. Some electronic bulbs might not satisfy this load requirement. Easy enough to try. I have same timer with cfl bulbs and it works fine but I also have a downstream gfci which may change the leakage characteristics.
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Old 06-19-2013, 11:59 AM   #35
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Problems, GE SunSmart Digital Timer 15312


Quote:
These timers depend on a small leakage current through the load to work.
Some timers work on leakage, others require a neutral. In single pole use, the 15312 requires the neutral.
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Old 08-21-2014, 09:02 AM   #36
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Problems, GE SunSmart Digital Timer 15312


BTW, let me start by saying I am wired and programmed correctly, but it does not seem to work yet.

Anyway, there are 7 program slots that would allow you to program something different for each day of the week. I am using this to simply turn on coach lights every day at dusk and off at dawn. But I am reacting to a comment that somebody else made about # of programs. As long as your programs do not conflict, you should not have a problem.

WRT my ongoing issue, I did not have a second program installed, so I am not sure why it still doesn't work. Maybe I'll be surprised tonight, who knows?


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Originally Posted by ToddLivengood View Post
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.

2. 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.

3. 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. 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."

6. Now that you have chosen the DAYS THE TIMER WILL FUNCTION the next step is to choose the TIME.

7. 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.
7. 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".

8. 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.

9. 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.

10. 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....

11. 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. Reference step 3 above when I had to delete my P2 program.

12. Again, after you've confirmed that all additional programs (P2-P7) are empty, just hit AUTO and then that completes the Programming.


I did this again last night and came out to lights that had MIRACULOUSLY turned OFF at DAWN, which is what I programmed. I'll be looking tonight to ensure that the LIGHTS are ON when I get home, since I have them programmed to come ON at DUSK. HOPE THIS HELPS.

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Old 08-22-2014, 09:16 AM   #37
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Problems, GE SunSmart Digital Timer 15312


One quick note: I bought this timer at Home Depot, and the brand is Defiant # 469637, but it appears to be identical in every way.

OK, quick follow-up to yesterday's post. Dusk came at 8PM and.... Success!!

Let me summarize what I did and what I changed.

1. First round of programming (left side of the sheet) is to set up the Dusk/dawn time. It's pretty simple and once you do it, the timer will advance a minute or so per day so your on/off times at dawn/dusk change and you won't have to constantly change the on/off times.

2. I chose the 7 day program, because all I want is on at dusk / off at dawn for garage coach lights. That procedure is well described above so I won't re-do. What do (I think) I learned and changed:

a. I entered the “P1” mode, where you begin by choosing the days you want the switch to turn on. As noted, I chose all seven. The next step is telling the switch when to turn on. This is where I think I made my initial mistake. You have to pay VERY close attention because the default choice presented to you is kind of illogical.

b. The first choice you get is “Dawn”, and the mode for the light is "on". Weird option, because most applications would want to switch a light on when it is dark, i.e., Dusk!

c. Anyway, the move here is to to press the minus button until it brought up “Dusk”. The display will show Dusk and the lower right corner will say "on". Press enter and then you move to the "off" mode, for which you use the +/- key to select Dawn. Hit enter to save that.

d. You should now be at the end, and one last critical step: If you are only using 1 program, it's critical that once you complete the program, and "save" is flashing, you hit enter and then you hit auto.

It worked for me. I realize this thread is old but I was glad to find it, because it helped me solve the Rubik's Cube of instructions!

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