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Intermatic model ej500 stopped working can I fix it

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Replace LR44 batteries and reset timer, or replace timer
http://waterheatertimer.org/How-to-wire-EJ500-timer.html#LR44

Gene

Posted on Aug 12, 2014

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Posted on Jan 02, 2017

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  • 360 Answers

SOURCE: I have an Intermatic Model

This appears to be a known problem with this timer/switch. Contact Intermatic fo a possible free replacement. 815-675-7000 or http://www.intermatic.com

Posted on Jan 28, 2009

  • 22 Answers

SOURCE: Can I use the Intermatic EJ500CH timer in an outdoor box?

No as long as the box is well insulated.
The operating temperture must not fall below - 5

Posted on May 24, 2009

  • 37 Answers

SOURCE: How do you program it?

Here is the download link for the manual:
http://www.retrevo.com/search/v2/jsp/downloadPage.jsp?doc=48a91d45bcfc94ce08c41f94051ed1f1&modelid=22965789&q=Intermatic+EJ500
You have to give an email address and answer a captcha but that should get you the info you need.

Posted on Jul 30, 2010

SOURCE: We recently purchased a home

EJ500 has 1 year warranty. The reset button sits naturally lower than other buttons.

The manual shows troubleshooting.
http://waterheatertimer.org/Intermatic-ej500c-manual.pdf

If timer is blank: display bulb burned out; press next/on/off, other timer or switch has turned off power to EJ500.

Maybe a new timer is needed. ST01C (1 year) & EI600 (5 year warranty) each offer same 40-programs per week.

Timers shown above are battery operated, and cannot operate load farther than 100' from timer.

EI500 & GE 15086 offer 7 programs per week ... 7 on events and 7 off events.
http://waterheatertimer.org/Programmable.html#progr

Posted on Sep 19, 2010

SOURCE: The battery was low on

People write into fixya about ST01C and EJ500 that stopped working and new battery does not revive unit.

These timers, and most timers come with 1-year limited warranty.

Manual says as last resort, reset timer and see if that helps.
If not, then buy new timer.

Hold down Next button and push in reset button.
Release reset button.
Keep holding Next button for a few moments and then release.
If timer resets, link below has manual for reprogramming timer.
http://waterheatertimer.org/EJ500-ST01C.html

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, or any do-it-yourself project.

Posted on Jan 13, 2011

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Intermatic ej500


Florescent bulbs are not discontinued.




Incandescent bulbs are being phased out so you can save electricity to run your great-big 600 watt TV....
http://waterheatertimer.org/What-is-3-phase-electric.html



Or, in a few years from now, you can support the economy and buy another timer:

Buy new EJ600... same keypad as EJ500, except different wiring since neutral wire required

or

Buy ST01 or Ei600 timer: identical wiring to EJ500, same dawn-dusk or programmable options, higher load rating, works with any voltage, CFL, LED etc, different programming steps, different battery.

Ej500 has 1 year wareanty

ST01 has 1 year warranty

Ei600 has 5 year warranty

http://waterheatertimer.org/Intermatic-timers-and-manuals.html#ej600



Gene h

Jan 20, 2014 | Hardware & Accessories

1 Answer

I have a Intermatic Wall Timer Model EJ500 and I only have 3 wires and can I usethe Wood Model #59028 and where can I get one if it works. I had a single pole switch when I installed the Intermatic. The...


Yes you can use 59028 if you have Neutral or bare ground wire.

EJ500 is battery operated.
Woods 59028 uses electricity to power internal electronics. Like plugging in alarm clock so timer mechanism works.
That's why 59028 has white wire and EJ500 does not.

EJ500 can be used for 3-way switching, so it has extra red wire that is capped off in single pole operation. EJ500 blue wire connects to Load (light,fan, motor)

59028 is for single pole only. The red wire connects to Load.

Here's how to wire 59028:
http://waterheatertimer.org/Woods-timers-and-manuals.html#59028
1) Timer-green-wire connects to bare ground wire.
2) Connect 59028 red wire where EJ500 blue wire was connected.
3) Connect 59208 black wire where EJ500 black wire was connected.
4) When electric box does not have white neutral wires, then connect timer-white to bare ground.
5) Turn on electricity, and push door on 59028 timer to activate on-off override. If Load comes on, timer is wired correctly. If Load does not come on, then reverse timer-red and timer-black wires.

Jan 18, 2011 | Woods Hardware & Accessories

1 Answer

The battery was low on my Intermatic EJ500. Replaced with new batteries but it still doesn't work and there isn't a display. Checked to be sure batteries are in properly.


People write into fixya about ST01C and EJ500 that stopped working and new battery does not revive unit.

These timers, and most timers come with 1-year limited warranty.

Manual says as last resort, reset timer and see if that helps.
If not, then buy new timer.

Hold down Next button and push in reset button.
Release reset button.
Keep holding Next button for a few moments and then release.
If timer resets, link below has manual for reprogramming timer.
http://waterheatertimer.org/EJ500-ST01C.html

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, or any do-it-yourself project.

Jan 07, 2011 | Intermatic Hardware & Accessories

1 Answer

Flickering bulbs


You posted under EJ500 Intermatic battery-operated timer.
If you have different timer, add a comment.
I have tested EJ500 timer.

A) If this is new single-pole installation and lights click on-off when timer turned on, then you connected red wire where blue wire should be connected.

Manual says for single pole switch:
Timer-black-wire to Hot; Timer-blue-wire to Load (lights)
Here's how to wire timer correctly:
1) Timer-green-wire connects to bare ground wire.
2) Switch has 2 wires. Take switch wires and connect them to timer-black-wire and timer-blue-wire. Choose either one for now.
3) Put wire nut on red wire.
4) Turn on electricity, and push ON-OFF button. If lights come on, timer is wired correctly. If lights do not come on, then reverse timer-blue and timer-black wires.

B) If you are replacing 3-way switch, view wiring diagrams shown on link below, and then add a comment saying exact color of wires. To wire this timer for 3-way can require additional wire between switches. This is because EJ500 blue wire must always go to Load (light, fan, motor)
http://waterheatertimer.org/ST01C-program.html#EJ500-wire

C) If this is older timer that stopped working, check your bulbs. Then check timer battery. Manual says if timer stops working and bulbs are good, and battery good, then reset timer and reprogram. How to reset timer. Press reset button while holding down Next/ON-OFF button.
EJ500 manual has long list of programming instructions: Add a comment if you forgot parts of programming.
EJ500 manual
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/ej500c%20-%20english.ashx

Nov 28, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

My switch has only a white wire (hot) and a black wire (neutral). Witch one dose the red wire connect to?


I answer questions for free
I specialize in timers and electrical devices
If you have a different timer than the one shown below, add a comment with your timer model and I will help.
Different timers use the red wire differently.

You posted under Intermatic ST01C.
If the ST01C is your timer, then the red wire is capped off.
The black-timer wire connects to black wire.
The blue-timer wire connects to white wire.

IF the timer does not work after wiring, then try reversing the blue and black wires.

The following photo shows the EJ500 timer which is wired exactly like the ST01C
http://waterheatertimer.org/images/EJ500-wiring-full.jpg

The following link shows several wiring diagrams for the ST01C and EJ500 timers
http://waterheatertimer.org/ST01C-program.html#ST01C

Nov 02, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

We recently purchased a home with an intermatic model EJ500 timer. It does not work. Changed batteries - screen does not light up. Breaker checked and working. Nothing happens when press next/on/off and...


EJ500 has 1 year warranty. The reset button sits naturally lower than other buttons.

The manual shows troubleshooting.
http://waterheatertimer.org/Intermatic-ej500c-manual.pdf

If timer is blank: display bulb burned out; press next/on/off, other timer or switch has turned off power to EJ500.

Maybe a new timer is needed. ST01C (1 year) & EI600 (5 year warranty) each offer same 40-programs per week.

Timers shown above are battery operated, and cannot operate load farther than 100' from timer.

EI500 & GE 15086 offer 7 programs per week ... 7 on events and 7 off events.
http://waterheatertimer.org/Programmable.html#progr

Aug 03, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

I have an Intermatic Model EJ500 and I keep getting No OP see inst. The lights won't come on even manually. Please advise.


This appears to be a known problem with this timer/switch. Contact Intermatic fo a possible free replacement. 815-675-7000 or http://www.intermatic.com

Jan 28, 2009 | Hardware & Accessories

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