Question about Stiebel Eltron DHC-3-2 Tankless Electric Water Heater

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Stiebel Eltron WPF7 fluid-water heatpump error message

What does the error message 'HP sensor max' mean??
The pump does not work and my operation manual doesn't give me any clue.

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Posted on Jan 02, 2017

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SOURCE: Sensor broken - E 71 - Stiebel Eltron WPF water-water heat pump.

I would check the connect first may sure it is not loose.

Posted on Mar 14, 2009

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Tonight I noticed a blue light flashing on the top of my Stiebel Eltron tankless water heater. What does that mean?


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I know nothing of your unit, but I've never let that stop me before??.

Sounds like a sensor is stuck in the "tray full" position and popping an error message based upon what "it" is detecting.

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Get more fresh air to unit and see if that solves problem. The call service technician, and get out wallet.
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Maintain water heater according to instructions in manual to avoid common error codes. Of course this means you have to service the unit each month, and each year, without guarantee the thing will work correctly.


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