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I have some nobo e4eu electric panel heaters with 7 day programmable timers,does anyone know where i can get instructions on how to replace and swap over for a new one?

My nobo timer 8430018 has broken and i have a new one to fit but i cant get the instructions unless i buy one from the dealer.

Posted by theo nicholaou on

  • theo nicholaou Oct 13, 2014

    There is a junction box with 6 points of entry and there are three wires within the timer that go into 2 of them. What I don't know is which of the 3 leads from the radiator go into which point of the junction box. These obviously mary up with the load, earth etc. To confuse things, there is doubling up in one hole and some sort of interlinking diode I think you call it. More like an aircraft than a radiator timer! Please help as NASA wont answer.



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Gene Haynes

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There are not even photographs of the product online...
That tells me that nobo might be using generic timers made by various manufacturers.
And they might not use the same timer one year to the next... preferring to sell whatever they can buy with lowest price.

A lot of companies re-brand generic products and sell them under their brand name, and folks assume the company made the product.. and the company has manuals... but they don't manufacture anything... they just sell stuff.
First Alert, Timex, Kingshield, Stanley, ... are examples... I suggest not buying products from companies that do not post manuals

maybe you can find a manual by doing a google image search for timers, heater timers, or Nobo ... and seeing if you can find similar timer.

Nobo timer manual below is also sold under Sunlight and Timex brands.


If you need further help, I’m available over the phone at

Posted on Oct 10, 2014

  • theo nicholaou Oct 12, 2014

    This can be seen on the website which is the owner of logo and indeed to sell replacement timers with this model number albeit through a distributor. I was told I would not be given swap over instillatyion instructions unless I bought a replacement in which case the info was contained with in the box.



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Better Plumbing

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SOURCE: Instruction manual to program HB77R

Here is the instruction manual your looking for:

Intermatic HB77R

Hope this helps and please remember to rate this!

Posted on Dec 10, 2008



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SOURCE: Grasslin Digital wall mounted timer programme setting instructions please

pdf file link, instructions will say it is for a topica500 also known as a logica 500.
Hope this helps.RoyG

Posted on Mar 09, 2009


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SOURCE: My GE 7-Day Digital Timer model 15086 flashes on

I just bought one today and installed it. It does the same thing - flashes the lights off and on. After some research on the net, it seems that the problem is that an old house is wired with two pole wiring and the new fixtures, (timers included) are 3 pole. The conclusion I have found is that it will not work in a 2 pole wired house. There supposedlly are timers available for 2 pole wiring. I hope this helps. If you find out anything different, please let me know.

Posted on Oct 19, 2009


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SOURCE: Need instructions for Aube by Honeywell 7-day

pdf is at

Posted on Feb 19, 2010


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SOURCE: Need user instructions for a Grasslin iht d120

Took a little hunting but managed to find it for you.
Here's the link to the manual including programming instructions.

Have a great day

Posted on Dec 29, 2010

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Star waffle baker can the touch panel be re set

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To have 2 different programs from same outlet, then buy 2 bar timers that both fit same outlet, and then program each to suit need.

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Reset timer, and try again.
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The instructions will help quite a lot right now:

1) Typical Timex manual says to re-set timer, press MODE and PROG buttons together.
Compare this information with your instructions.

2) Look on instruction sheet for timer model number, and then add a comment with your model number so I can identify timer manual and possibly post answer that fits your product.

3) Look on instruction sheet for company information.
Timex timers come with standard 1 year limited warranty:
Following phone might work: 1-800-919-3101

4) Scan your instruction sheet into jpg format and then add a comment with link to that jpg, then I can give you best answer for that specific timer.

5) Buy another timer, and return broken timer in new package.

6) Use circuit analyzer to test outlet for line noise and ground fault that affect timer electronics.

7) Buy another brand of timer altogether:

Add a comment with your experience so others with same-similar problem can benefit.

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Wiring instructions and on-line manual appear on following link.

I have tested this timer, but I'm not there to test it out for you.
Let me offer a troubleshoot list how I would start.
1) Switch located behind timer door that says OFF-TIMER. Make sure it is set to Timer.
2) 4 square buttons located behind timer door that sit in each corner. These are override buttons, and should turn lights on-off. Push each one separately.
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4) Ground wire broken off? Each cable that enters a box can be pulled a bit further so maybe you can grab some of the ground.
The ground is not critical for timer operation -UNLESS- you are using it to power electronic clock inside timer.
Normally white neutral wire is used for clock electronics, as described in wiring instructions.
5) Conflicts in programming. If 7-day programming has conflicting days or hours, timer will not operate as expected.
Check programming.
6) Reset timer and start over.
7) I test timers, and some arrive defective. GE makes a good timer, manufacturing timers for many decades: 15086 is sold at Home Depot. Buy another one and take back defective one.

Add a comment for more free help.
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.

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2 Answers

I have some nobo e4eu electric panel heaters with 7 day programmable timers,does anyone know where i can get programming instructions or just how to get them to work? I have tried google but nothing yet ...

The instrusctions are available in english on the australian site:
Other useful documents available here too.

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