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I have digital programmable timers (Model DT121 and Model DT11) that will accept programs, but won't turn the attached lamps on and off at the programed times. The batterys are new and I've had them checked to make sure they're still good. What can I do to get these timers working. T O'Brien

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DT121 Manual
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/dt121c%20-%20english.ashx

All Intermatic manuals
http://www.intermatic.com/customer%20service/instruction%20manuals.aspx

Intermatic does not show DT11
Intermatic shows the DT121 is no longer available

If the display shows and you can set programs, then the battery is good.
Does the manual override work? This indicates whether the timer on-off switch operates.
If manual override does not work, then I discovered that timers are no longer any good

Programming:
Set present time
Then set ON time for program 1
Set OFF time for program 1
Then set ON time for program 2
Set OFF time for program 2
Most timers will not function if there is a conflict in programming > for example Program 1 says ON at 6 and OFF at 7 and Program 2 says opposite or has overlapping times
When events are set, press SET once > this will put timer in RUN mode

If manual override works, and you set programming correctly, but timer does not carry out instructions, I guess the timer is no good.

Intermatic has 24 hour timers with 2 on-off per day
http://www.intermatic.com/products/timers/consumer%20indoor%20timers/lamp%20%20appliance%20timers.aspx
Intermatic has 7-day digital timers (all digital timers today are 7 day where you select the day that each program works)
http://www.intermatic.com/products/timers/consumer%20indoor%20timers/digital%20timers.aspx

Posted on Oct 12, 2010

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Does th lamp have to be on when programming the timer?


Lamp must be on AFTER timer is programmed and when you plug lamp into timer.
The timer does not 'reach up and turn on the lamp switch' or change between high-medium-low settings on 3-way bulb.
The timer just turns power on... so lamp must be turned on for timer to operate.
http://waterheatertimer.org/How-to-troubleshoot-timers.html
Keep in mind that after a programmable-timer's internal battery is charged for 1 hour, you can unplug timer and hold in hand to set ptograms... THEN plug lamp into timer and plug timer back into outlet

Gene

Water Heater Timers Save Money

Mar 13, 2015 | Hardware & Accessories

1 Answer

The timer won't turn lights on either with program timer or by using on/off buttons


1) Timer is not fully identified.
Copy following link for replacing CR2 battery in the Intermatic ST01c
http://waterheatertimer.org/ST01C-program.html#battery

2) If this is not your timer, then add comment and describe timer in detail, and/or include model number and attach photo

Dec 20, 2012 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

DT11 timer turns on aplliance but will not shut it off.


1) DT11 is older timer, and may be may be copied by foreign manufacturers. Timer has 1 year limited warranty.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#DT300

2) Don't buy timers from ebay or local drug store.
Don't buy used timers.

3) DT11 timer may not be rated for appliances. Usually this type timer has rating for 600-1200 watt incandescent bulb, and will overheat and fail quickly with higher load, such as appliance load.
Buy Intermatic appliance timer for appliances:
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#appliance

4) Always reset timer before programming.

5) Review programming for conflicts and overlaps that would cause timer not to function as expected.

Dec 16, 2012 | Hardware & Accessories

1 Answer

I hope I am stating my problem clearly: I just purchased a Woods 59377 indoor timer that I'm about ready to return to the place I purchased it because of the manual override button. What I didn't...


I have 59377 timer in my office.
Here is copy of manual:
http://waterheatertimer.org/pdf/Woods-59377.pdf

What job do want the timer to do?
It sounds like you want a programmable timer at night, and simple on-off switch at day.
Add a comment if answer below misses the mark.

YES, the manual override can be used as on-off switch.
Press manual override until Manual ON or Manual OFF display.

The manual override button has 4 states:
Auto ON, turns lamp ON immediately and programming resumes at next set time.
Auto OFF, turns lamp OFF immediately and programming resumes at next set time.
Manual ON to choose permanent ON.
Manual OFF to choose permanently OFF.

Aug 26, 2011 | Woods 7 Day Digital Heavy Duty Timer...

1 Answer

WOODS 59018 TIMER WIREING CORRECT INSTALLED WITH POWER OFF NETURAL GROUND UP TO CODE LOAD /LINE PROPER.NEW OUT OF BOX WON'T RESET. STEP 1 LAMPS LOAD SIDE GOOD. RETIRED CONSTRUCTION ELECTRICIAN


I don't have answer for defective timer. Buy another timer if everything below checks out:
59018 7-day timer has limited 1 year warranty, and appears to be made by Tork
Timer is for 120Volt single-pole only.
Rated for 1000 watt tungsten, 8A ballast, 1/4 HP
Push reset button with toothpick > not necessary to press-and-hold other button to accomplish reset.
After reset, 12:00 am Monday should display.
Programs are deleted. Reprogram timer.

To check, change and delete specific programming, press PROG key until selected program displays, and then set new programming >>> or press-and-hold MODE button and press PROG button again to delete selected program.

Timer has non-replaceable 30-day carryover battery and does not lose programming after power outage, and will retain programs until battery is depleted.

Review wiring:
Hot to timer black.
Neutral to timer white.
Load to timer red.
Ground to timer green.

Lights will blink if timer red and timer white are connected to load together.
Timer will not function if timer black and red wires are reversed. Display will not show.

http://waterheatertimer.org/Woods-timers-and-manuals.html#59028

Aug 07, 2011 | Woods InWall 7 Day Digital Programmable...

1 Answer

Indoor timer 0155671 it wont turn on or off after programing


Utilitec 0155671 7-day digital programmable timer is sold under different brand names and numbers
http://waterheatertimer.org/Woods-timers-and-manuals.html#59377
Read instructions on following link.
http://waterheatertimer.org/How-to-program-Utilitec-0155671.html

There are 7 general things to look for if digital timer is not working correctly.
1) 0155671 timer is considered incandescent light bulb timer (tungsten) and not necessarily made for motors loads, TVs, CFLs etc. Try using timer on table lamp with incandescent bulb. Turn lamp ON, and make sure bulb is good.
2) Outlet is wired wrong: test outlet with circuit analyzer, and try timer on another outlet, and with different load. For example if outlet polarity is reversed, or if load has interference.
3) Timer is programmed for ON times but not for OFF times.
4) Programming has conflicts, for example program1 ON is for 8am Mon but program1 OFF is for 11am all-days-of-week.
Or program1 and program2 ON-and-OFF times conflict.
5) Timer is not set in AUTO mode, and timer is in random or countdown mode.
6) Timer is defective: 6-8% of all timers arrive defective.
7) If timer is older, the internal battery may be fading. Battery is not replaceable. These timers have 1 year limited warranty.

Jul 11, 2011 | Hardware & Accessories

1 Answer

Installed several GE smart digital timers around the house: for lights over garage, front door, court yard. They are model 15086. The units work in timer mode as desired. I would think...


15086 timer:
Pressing door will override timer setting and manually turn switch ON-OFF.
Press door or open timer door, and press any of 4 buttons located in corners.
You know information posted so far:

However, you are moving the small switch from Timer to OFF.
And when switch is OFF, the override does not work because circuit is OFF.
You want a timer that can switch programming OFF, and not switch circuit OFF, so that device toggles between timer and ordinary switch.

Looking at timers on the market today, I cannot think of any in-wall programmable or box timer that does what you want. Each has manual override that reverses timer function, but when you set timer to OFF, the circuit is OFF.
http://waterheatertimer.org/Programmable.html#Aube

Plug-in-type timers have override button that turns programming off, and then you can operate table lamp normally with the lamp switch. But in that case, the lamp has separate switch that operates outside of timer functions.

GE 15070 24-hour mechanical timer could do what you want:
http://waterheatertimer.org/images/GE-15070-mechanical-timer.jpg
In this specific case, when you wanted to operate timer like a light switch, you would move all the pins inward, and then use the on-off switch. The problem with this idea is the pins are tiny, and you need very good eyes or a light-source and small tool to continually adjust pins.

See GE timers and manuals:
http://waterheatertimer.org/GE-timers-and-manuals.html#15086

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on timer.

Jan 07, 2011 | UPM Programmable Wall Switch Timer

1 Answer

Our timer does not seem to be working right. I have lost the book. I want it to be on from 6-9 p.m. every night. Can you help?


Here are generic troubleshooting steps:
If plug-in timer doesn't work
a) Check receptacle for power
b) Check lamp is turned ON
c) Check bulb is good.
d) Mechanical timers: Check tabs or pins are set
e) Check override switch pushed fully in position
f) Try timer in different plug and with different lamp
g) Test circuit with inexpensive circuit analyzer from hardware
h) Don't exceed maximum wattage
i) Programmable: check for overlapping programs
j) Programmable: write out programming steps and double check. Reset timer.
k) Outdoor with photo cell > test with black tape over photo eye
l) Turn photo eye away from light source

Add a comment any time

Next step would be to identify exact timer, and check steps in manual.
You posted under Noma programmable 6 button timer:
Your timer may appear among timers on next page > each timer has link to manual

http://waterheatertimer.org/Woods-timers-and-manuals.html#6-24

geno_3245_165.jpg 6 button 7-day

http://waterheatertimer.org/Woods-timers-and-manuals.html#6-week

geno_3245_166.jpg Generic 6 button Week

Dec 10, 2010 | Solar Noma 7 Day, 6 Event Outdoor Timer -...

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