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We have a rehau system installed in 2005. Whilst away in August we turned the system off. When we returned and switched back on the rads connected to the under floor system downstairs are on constantly and don't go off at all. Have tried resetting, timers etc but still no joy. Its the dial timer & thermostat system.

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1) Replace the battery. Battery probably located on back of timer.

2) Here is glossy brochure with timer products for possible identification:

3) Contact Rehau

4) Find exact model number of timer on back of timer. Google-search that number, and add .pdf to search parameter.

5) I cannot find installation and troubleshoot manual for your system.
What does your manual say about temperature sensor malfunction?
Add comment and include link to product manual.

Posted on Dec 04, 2012


6 Suggested Answers

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: timer will lock up when it gets to the off switch...

Sounds like you have the timer motor feeding through the points, be sure to have incoming power to timer motor so it is hot even when the timer is in the off cycle. If this does not help please post a model number and I will try to be more specific.

Posted on May 22, 2009

  • 351 Answers

SOURCE: Help with Woods 59018/59028 7 day digital timer

The usual connection for this type timer is the house black power to the timer black, the house white power to the timer white and the , the light black wire to the red timer wire.
If you only have two wires, one black and one white, at the switch location, then you cannot use this style timer , as it needs a neutral. You should return this timer and get one that does not require a neutral connection.

Please Vote !!

Posted on Jun 01, 2010

SOURCE: I am trying to install

1) Wires in box:
Black looped to to next switch is Black hot wire
Other Black goes to fixture

2) Connect timer wires
Black timer wire goes to Black hot
Red (or Blue) timer wire goes to fixture
White wire connects to white neutral wires (usually connected together with wire nut and pushed to back of box)
Green goes to bare ground wire

Posted on Sep 21, 2010

SOURCE: installing a GE digital wall

Black goes to Hot wire from breaker box
Red wire goes to Load (light, fan, motor)
White wire goes to Neutral
Green to bare copper ground wire

Your original switch had 2 wires plus bare ground.
One of these wires is Hot, the other goes to Load.
You said original wires are Red and Black

How do you find Hot wire?
-Your original switch had 2 wires.
-Remove timer from box.
-Pull original 2 wires out where you can test them
-Turn on power
-Use regular tester
-Tape tester leads to wood sticks so your hands stay away from voltage
-Power is on
-Test each original wire to bare ground wire
-When tester lights up, that is Hot wire ... this wire connects to Black wire on timer
- The other wire goes to Load so it connects to Red wire on timer

How to test for Neutral wire
Test Hot wire to your white wires - No need to untwist them.
When tester lights up, that is Neutral
White wire from timer connects to Neutral.
Green goes to ground wire.

How to reset timer
I'm not sure which timer you have. Probably GE 15086. Reset is small round button below HOUR button. Use paper clip and push-in reset until timer flashes 12 o'clock.

Posted on Sep 30, 2010

  • 1 Answer

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

Need programing instructions

Posted on Nov 13, 2010

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