Question about Intermatic Inc. ST01C Digital In-Wall Timer

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Intermatic ST01C manual:

Read how to program ST01C timer

Posted on Sep 17, 2010


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Unable to Program Utilitec 0192773 Timer

Let's figure it out together. I have one of these timers for testing, and can hook it up if needed. Add a comment as needed.
PLEASE read following material, so we are both saying the same thing.

There are two different options for programming.
7-day programming, and dawn-dusk programming.
You choose one or the other
This might be the point of confusion.

Copy following link for larger print instructions.

DST is daylight savings time, and you can choose to have automatic DST adjustment twice per calendar year, or choose not to have DST

Be sure to RESET timer before programming. This will clear any programming glitches.
Make sure that each ON time has an OFF time.
So Program 1 ON is set for day(s), hour, minute
The Program 1 OFF is set for same day(s), hour, minute.
Make sure there are no conflicts between day(s).
If selected time is 12:00, then use 11:59 to avoid am-pm conflicts.

Oct 08, 2012 | Hardware & Accessories

1 Answer

Just Larry again. I appreciate the help from Phil, but my Timer still does not function. I went thru the complete programming, to have it turn lights on at sunset, off at sunrise, 7 days a week. And, no...

What timer do you have?
You have a Lowes dawn-dusk timer, probably installed inside a wall box.
My local Lowes does not carry a 3-way timer, so you probably have a single-pole timer: Utilitec 0192773 unless the model numbers have changed.
Copy following links to help identify timer and see wiring for single pole wall timers.

Is the timer white wire connected to white neutral wires, or to the bare ground wire?
Have you checked the light bulb?
Is the timer rated for the type bulb you are controlling? The Lowes timer does not appear to rated for LED, and I cannot tell if it works for CFL.
Click circuit breaker all the way off and then back on.
If the manual override on-off button does not turn lights on-off, then I suspect there is simple electrical problem or timer is defect.

Add a comment with more specific detail which troubleshoot steps you have taken and if you have checked each of the things mentioned above.

Aug 25, 2012 | Ace Hardware Hardware & Accessories

1 Answer

Utilitech #0192773 setting the timer for not working

I do not have repair for defective timer.
Open following link for clear large-print instructions.

Add a comment about part of manual that does not work, for possible additional help.
1) Timer replaces single-pole light switch only.
2) Timer does not have a battery and must be wired correctly before programming can take place.
3) Choose either dawn-dusk or programmable on-off:
Timer can be set for dawn-dusk operation
Timer can be set with 7-day on-off functions of your choice

Aug 18, 2011 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

I am an electrician and my client wants me to reprogram the digital timer (Intermatic) I don't know the model # but it looks like the one on the previous page. Probably the most popular digital wall timer...

Below are links to digital timers to help identify your timer.
Manuals for each timer appear on page.
Programming takes patience, which might be why your customer wants you to do it.
And these 1-year warranty timers go bad, and then timer will not reprogram, which may be another reason why customer wants you to do it.
Intermatic EJ500 and ST01C are battery operated, and will not program if battery is low.
Aube has rechargeable battery that is not replaceable, and this timer will not program if battery is bad.
Other timers shown below have clocks that operate on 120V circuit and require white neutral before display lights up.

Generally each programming is same: You set current time. Some timers you set daylight savings time. Some timers are 7-day, and some offer dusk-to-dawn. For 7-day, you set event1 ON and then event1 OFF for up to 7 programs. You choose the days for each event to operate. Before programming, make a schedule so there are no overlaps or conflicts in programming.
With Intermatic EJ500 and ST01C, event1 is the ON event and event2 is the OFF event, up to 40 events.

Add a comment if you hit trouble spot when programming.
Also fixya offers live phone support for a price.

Intermatic EJ500 with 7-day or dusk-to-dawn
Programming remains in memory forever, so you may only have to re-enter current time.

Intermatic ST01C with 7-day or dusk-to-dawn

Intermatic EI500 7-day

Aube timers are either dusk-to-dawn or 7-day

Utilitec 0192773 with 7-day and astro dusk to dawn

Utilitec 0141224

GE 15071 - 15086 in-wall timers: one has daylight savings time

Woods 59018 in-wall

Tork SS720 in wall:

Dec 17, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Bought 6 new ST01C timers. New from the box, 5 of them blink that the battery is low, even though the batteries are new. (I checked the batteries). They were installed by a qualified electrican who tell me...

1) 6 of 7 timers bad sounds very unusual: contact Intermatic:

2) Who supplied the timers?
These timers come with limited 1 year warranty.

3) You can wire new timers yourself.
Each one wires the same as electrician installed.
Simply duplicate exactly what the electrician did.
Don't worry, other folks do this themselves every day.
Turn off circuit breaker to each before changing timer.
Take a few minutes and label your breakers while changing timers.

4) ST01C timer is not affected by small ground faults and problems with wiring since it works by battery. So the circuit is not suspect unless Load (light) is located farther than 100' feet from timer, or wiring is underground.
Open following link for ST01C manual, wiring, and step-by-step programming.

5) If ST01C timers are located in cold environment, for example a garage or outbuilding, then batteries will only last 20 days or so. ST01C is an interior timer, not an outdoor timer.
Timers that are made for 3-way switching are indoor timers because of internal or replaceable battery.

6) For cold weather timer that can be used for astronomic dawn-to-dusk -or- 7-day 7-program, you can buy Utilitec 0192773 timer at Lowes.
This timer wires differently than ST01C, but step by step shows on link above.
I think Intermatic makes the Utilitec timer.

7) For cold weather timer that works 7-day 7-programs, buy GE 15071 at Home Depot (does not have dusk-dawn operation)
Wiring and manual show on link below.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Dec 04, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Utilitech self-adjusting wall timer 0192773. I hooked up the timer (4 wires). The automatic modes does not work and will not turn on and off the lights on set times. All it will do is turn lights on and...

I have been testing the 0192773, and other timers, for wire and program difficulties.
Good news: your timer is wired correctly. This timer will not operated lights with incorrect wiring.

programming steps are long, but same as other programmable timers.
The 0192773 is a 7-day or sunrise/sunset timer

1) Most programmable timers will not 'work as expected' if there is a conflict in programming.
They suggest you make a schedule of times before programming

2) One of the things this timer offers are individual days -or- groups of days > for example weekend only -or- weekdays only -or- all days of week -plus- individual days. For me, it was a bit confusing keeping that straight while programming

3) Each Program has ON time and OFF time
So Program1 ON has to be set same days as Program1 OFF

4) The other difficulty was how fast the display shifted back to current time when I was programming. If I looked at the instructions for a moment, my display would change before I could catch up. So it's possible that an ON or OFF time could be missed easily.

5) Finally, if you are using the timer as a sunrise/sunset, you need to enter Sunrise or Sunset with program1 ON and program1 OFF

I think the problem is in your programs:
You can use paperclip and hold in reset button for a few seconds and start over
You can press PROG button and and re-check and re-set each program.

By the way, when setting current time, I noticed the timer let you chose a year up to the year 2099. I thought that was an optimistic outlook for both operator and timer.

Oct 22, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

I have been trying to program my utilitech timer that controlls my front door lights. I have been able to program monday only. I did the same program for the other days but at dust the light will not come...

1) I am going to guess you have the Utilitec 0192773 in-wall timer that replaces a switch
I say this because you are controlling outdoor lights -and- because you have the dusk-to-dawn feature.

2) Short answer: I think you have selected your days incorrectly when programming timer
To review your programs:
Press PROG button once and program1 ON displays
Press PROG again and program1 OFF displays
Press PROG third time, program2 ON displays >> a fourth time progrom2 OFF displays
And so on..

3) I suggest you write out a schedule of your times
Press PROG button and then press TIME button to see your programming: Review the days carefully, review if you have sunrise-sunset selected for each program. You can change the setting while going by using the +- button.

4) As a general rule, programmable timers do not 'operate as expected' if there is a conflicting program. For example program1 says on at 7 and off at 8, and program2 says the opposite.
Suggested solution is make a chart of your settings before programming.

5) Long answer: write out the manual instructions that seem unclear to you

6) To reset everything and start over, push & hold reset button with a paperclip.

Here I am testing the Utilitec timers for wiring and programming difficulties

Oct 21, 2010 | Intermatic & Self-Adjusting Wall Switch...

1 Answer

Utilitech Self-Adjusting Wall Timer- #0192773. Unable to program timer. The instructions are so small it is hard to read them

Utilitec 0192773 is also listed as LW60419
1) Has optional daylight savings plus dawn to dusk programming
2) Electrical wiring must be connected in order to program timer. This is because timer is powered by electric circuit (instead of battery).
3) Program choices:
-Individual days MO TU WE etc
-All 7 days of week

4) Large manual + wiring tips:images load slow with dial-up

5) Enlarged manual
-Click on image to enlarge
-For more size, hold down Ctrl key on keyboard and use scroll-wheel on mouse

Sep 30, 2010 | Intermatic Inc. ST01C Digital In-Wall...

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