Question about Electric Intermatic 7 Day Digital Timer 500 Watt 120 Volt Heavy Duty

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Intermatic Timer display reads NO OP SEE INSTRUCTIONS

When I changed to DST this morning the timer would not shut out the light. This is a wall mounted timer and controls a ceiling light fixture.

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SOURCE: remove Intermatic 60 min. wall timer face plate only from wall

That knob should just pull straight off. Check to make sure there isn't a tiny set screw on the side, but otherwise you can pull it off and remove the cover plate.

Posted on Jan 24, 2009

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SOURCE: ceiling fan controled by intermatic e1010/e102 doesn't come on

If you are getting heat on the timer it is time to replace it

Posted on Jul 28, 2009

SOURCE: Need instructions to program Intermatic

Do you mean Intermatic E104C box-type timer? Intermatic does not make E140C

Manual says "refer to programming instructions on time switch door"
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/et104c%20-%20english.ashx

Manual says timer has 8 events per 24-hour day ... 4 'on' events and 4 'off' events. Normal operations, selectors are set to AUTO and RUN.

Using sketchy info from manual about programming:
Set sliders to MANUAL & TIME/SET
Press EVENT for event 1 ... set hour and minute using HOUR & MIN buttons ... this will be 'on' time
Press EVENT for event 2 ... set hour and minute ... this will be 'off' time
Set all 8 events ... 4 'on' and 4 'off'
Move sliders to AUTO & RUN for timer operation

Posted on Sep 17, 2010

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SOURCE: I have an Intermatic Model

Go to www.intermatic.com Notice there is a recall for this model timer with codes 40z to 52z. Contact Intermatic for replacement. Here is link to the DT-17C probably same instructions.
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/dt17c%20-%20english.ashx

Posted on Oct 04, 2010

  • 1 Answer

SOURCE: Utilitech 7 day in-wall digital timer #LW60418

Need programing instructions

Posted on Nov 13, 2010

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I have a Intermatic self-adjusting wall switch timer and I can't program it even though I have followed the instructions 3 times.


Program 1 is ON, and program 2 is OFF, 3 is ON, and 4 is OFF, etc
Copy following link for EZ step-by-step programming for ST01C timer:
http://waterheatertimer.org/ST01C-program.html

Jun 05, 2012 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Intermatic in wall timer , will not switch off. "no Op" shows on screen. I replaced battery.


You posted under Intermatic battery-operated in-wall timer.
That means you have EJ500, ST01C, EI600 timer or EI400.
http://waterheatertimer.org/ST01C-program.html
http://waterheatertimer.org/Flipdown.html

1) No-op means fatal operation error, and timer needs to be replaced.

2) Since fixya customers only like good news:
Intermatic has 1 year limited warranty on these timers if you can demonstrate proof of purchase.
As of right now, April 2011 Intermatic website is closed weekends.
https://parts.intermatic.com/

3) You can try re-seting timer by holding down on-off and then pushing reset button momentarily. Keep holding on-off button until display changes, then release on-off. Then reprogram timer.
Instructions show that resetting timer is last-resort troubleshoot, and if timer does not function afterward, then timer has fatal malfunction.

4) I read where no-op can be fixed by opening timer and adding oil to a gear, but I cannot confirm this and am not going to take apart my test timers.
Since your timer is not working, please take it apart and then add a comment to this thread to confirm or repeal the oil-gear suggestion. I would very much like to know this information, and you can add a photo to your comment showing others how to do it.
http://www.fixya.com/support/r6568559-post_photograph_fixya_questions_answers

Add a comment for more free help

5) Pay: Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Apr 30, 2011 | Intermatic Programmable 24 Wall Switch...

2 Answers

The timer flashes, "no-op". Refuses to turn


no-op means 'no operation.

The manual says last resort to revive non-working timer is RESET timer.
This action will delete current day setting and all programming

Hold down ON/OFF and use paper clip to push in reset button for 2 seconds.
Release reset button but keep holding ON/OFF button down until INIT flashes on screen
Then release ON/OFF button and 12:00 should display.

At this point, timer can be re-programmed.
Simple step by step shows on following link:
http://waterheatertimer.org/ST01C-program.html

If timer will not accept programs, or operate after RESET, then timer has gone bad.
ST01C comes with 1 year limited warranty.
Most in-wall timers have same limited warranty.

Replacing timer:
-Advantage of ST01C is timer does not need Neutral wire to operate, and wiring can be simple.
-If you are using ST01C for 3-way switching, then easiest thing is to replace with same timer.
-If you are using timer as astronomic dawn-dusk, then replacements include EJ500, Utilitec 0192773, Aube T1034, T1070, T1072, T1073.
-If you are using timer for 7-day operations then there are numerous options:
http://waterheatertimer.org/Programmable.html#Aube

Jan 08, 2011 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

The light does not stay on until sunrise. This is just since the clocks went back on the 8th November,.


You posted under ST01C.
It sounds like your timer is not set to automatically adjust for DST.

Open following page to see step by step for setting DST to automatic so timer auto-adjusts for DST:
Steps are shown under 'setting current time'
http://waterheatertimer.org/ST01C-program.html

Utilitec 0192773 also has dawn-to-dusk timer with DST option.

See those instructions:
http://waterheatertimer.org/Program-wire-Utilitec-0192773.html

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.

Nov 16, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

I have an Intermatic timer in my garage that controls outdour switch for holiday lighting. The timer is functioning except I cant get it to go to the off position. It is giving me a error code of...


If the display will not show after replacing battery, try resetting and then reprogramming timer.

If the display will not show after reset, then timer has gone bad.

Link to Intermatic timers
Link to your manual
Troubleshooting steps do not show specific problem you mention

The advantage of Intermatic battery-powered timers is simply hooking up two wires. Plus the DST feature.
Aube T1034 hooks up to 2 wires without needing batteries.

Oct 08, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

How do I get the intermatic dt27 timer to work with out astro? I set it for an event, but it still uses the sunrise/sunset operation.


This manual is a bit confusing because it jumps across steps without telling you.

Look at manual instructions above Fig 11 where it says "Programming ON/OFF event times without astro." This is where your instructions are.

But let's start back at Fig 6. Setting DST
I think the instructions jump from DST at Fig 6 to programming at Fig 11

DST says:
If you want timer to compensate for DST, the display automatically defaults to AUTO.
If you do not want DST, press SET+ or ENTER/NEXT and display reads MANUAL
Then it says: Press MODE+ to go set up ASTRO feature

But you don't want ASTRO

I think this is where you by-pass ASTRO completely by pressing MODE+ until the screen looks like Fig 11 below:
d506e70.jpg

Now you are at programming steps to right of Fig 11:
EVENT1 shows in screen
-Press Day to set days > you keep pressing Day to show M-F, Sat-Sun, or individual days
Then use SET+ and SET- to set ON time for EVENT1

Press ENTER/NEXT to go to EVENT2
EVENT2 is OFF time for EVENT1

Tip: Other intermatic timers ignore all Events that conflict ... so you might make on-off chart before programming

After EVENTs are programmed, press MODE+ to go to AUTO

Oct 03, 2010 | Hardware & Accessories

1 Answer

How do I reset my Intermatic wall switch timer?


If CR2 battery went dead or if battery removed more than 1 minute, then time-date disappeared, but programming stays in timer indefinitely even if power is off.

To reset time-date. (From Section 5 in manual)
Press MODE until screen displays SET UP
> Press ON-OFF until HOUR shows ... use + key to change hour
> Press ON-OFF until MINute shows ... use + key to change minute
> Repeat same sequence for Year, Month, Day
> Press ON-OFF until DST daylight savings time ... use + key ... choose AUTO if area has DST ... choose MANual if areas does not have DST
> Press MODE to exit and save settings

Other programming steps are long.

Manual shows programming steps:
http://waterheatertimer.org/Intermatic-st01c.pdf
Walk through programming steps:
http://waterheatertimer.org/ST01C-program.html

Sep 18, 2010 | Intermatic Inc. ST01C Digital In-Wall...

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