Intermatic 7 Day Electronic Timer Eh10 Spst 120v Logo
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Anonymous Posted on Jan 14, 2011
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Timer loses program and time. Flashes wrong time. No power loss, already replaced battery. Any ideas? Jerry

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  • Anonymous Jan 17, 2011

    Intermatic suspects electrical noise is resetting timer. They are sending a filter to try. This may be the problem as the timer also turns on the bathroom fans, and one of the fan motors is questionable.

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1 Answer

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Anonymous

1) Reset the timer.

Sometimes this works, sometimes it doesn't and timer has gone bad.
Manual for EH10
http://www.1000bulbs.com/pdf/Inter-EH10-EH40-Operating.pdf

2) Manual says:
"If the display
has scrambled information, check to be sure that
the polarity orientation of the battery is as shown on
the cover label, then press the RESET switch and hold
for at least two seconds."

3) If display shows, then contacts are good.
EH40 and EH10 have same battery carriage.

4) 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.
We are always less expensive than a service call.

Timer loses program and time. Flashes wrong time. - geno_3245_245.jpg

  • 1 more comment 
  • Anonymous Jan 18, 2011

    I keep that in mind. Intermatic does not show defect page, or a filter, and I'm on their site several times a day. Thanks for taking time to stop back and share Intermatic result.

  • Anonymous Jan 21, 2011

    The noise supressor that Intermatic sent me appears to have solved the problem. It looks like just a resistor network/MOV assemly that is connected accross the load. I suspect that they do not advertise the fact that this is available so that everybody does not ask for one without a real need. I do not expect that it is necessary unless the timer is controlling something other than a water heater.

  • Anonymous Jan 22, 2011

    Spoke with Intermatic regional sales manager today. Forgot to ask him about this situation. You might be correct that a water heater timer would not be built to handle as much interference. Many of my electronic-timer answers on fixya include checking for clean circuit, but I did not know how that played into Intermatic customer policy. Intermatic is probably the only company that would follow through in that manner. Intel wrote me a few months ago about GE digital box timers running fast by 1 hour a month, and I suspected problem was on the local circuit, but never heard confirmation from them. The GE customers never got service from GE in same way that Intermatic took care of you.

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