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Water is cold and the light keeps flashing need to troubleshoot it

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Light flashing while water is flowing means you have a bad control board. Needs to be replaced. They can be purchased online

Posted on May 06, 2014

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Posted on Jan 02, 2017

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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?


Go to the website and find the manual from your heater. In the Troubleshooting section, it tells you what the sequence of the three lights is. This is a similar model.

operation and installation - Stiebel Eltron

https://www.stiebel.com.au/products/downloads/7water supply"). Cold water flows briefly while hot water is being drawn. The air sensor detects air in the water and the ap- pliance's heating output is ..... The flow sensor (DFE) is faulty. Check the flow sensor and replace if required. Flashing green light and steady yellow light. No hot water at flow rate. > 3 l/min. The high limit ...

Downloads Stiebel Eltron

Apr 28, 2018 | Stiebel Eltron Water Heaters

1 Answer

Got central heating but no hot water


I had a lot of issues with my water heater last month as well. However, it was really cold outside and it turned out that pipes were freezing up. If it's really cold at your place, try letting the water drip lightly out of the faucets to keep the water moving. That's what I did. How cold is the temperature and how long have you been dealing with this issue? If it lasts for more than a couple of days, then you should have a plumber come and check it out. Plumbing and Electrical Contractor in Virginia Beach Virginia

Dec 15, 2015 | Water Water Heaters

1 Answer

Superflue water heater light flashing


Copy following link to identify gas control:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Gene
h

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Jan 06, 2014 | Water Heaters

1 Answer

Thanks for that mike, it is a worcester bosch combi 24cdi heating and water can stay on for an hour then everything goes off and the red light flashes. it will come straight back on when reset, but then...


Check the pressure reading, should be about 1 bar when system is cold. Various models in the range of 24cdi. If you do not have a manual, go to,
http://www.centralheating.co.uk/Boiler-Manuals/worcester-bosch-boiler-manuals/worcester-bosch-discontinued-boiler-manuals.
Get the manual for your unit, to wards the end of install manual it has a fault finder, Also has a basic 1 in the user manual. Number of flashes how fast the light flashes which one flashing can all mean different, So get the manual and check, Some parts are easy to fix, as long as you do not touch the gas side the rest is plumbing. Come back if needed.

Mar 05, 2013 | Water Heaters

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Not hot water or heating


Good luck with the repair.
We always stand ready to support success.
Also post the brand and model number and type of product so expert can identify if you have electric or natural gas or propane energy, and identify if there is basic information online about your product.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Aug 24, 2012 | Water Heaters

1 Answer

Have to keep resetting E2 is what keeps flashing?


Check wires coming from cold water line valve. Make sure incoming water is above freezing

Jan 16, 2011 | Bosch & Tankless LP Hot Water Heater

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The red light on the water heater keeps flashing


Attached to the water heater is a troubleshooting chart for your sequence light. 1 flash means..., 2 flashes means...., and so forth. Find the chart, count the flashes and see what it means and we'll go from there. Douglas

Sep 18, 2010 | Reliance Natural Gas Water Heater Control

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Water heater keeps cutting off and flashing code 12, will work great for hours then do this, i have checked electrical and ground all ok.


If you are on LPG try your regulator. The cheaper ones tend to stick, especially in cold mornings.

Sep 03, 2010 | Water Heaters

1 Answer

Sometimes the hot water just goes cold


Here are a couple things to look for:

1) flashing burner light - a flashing burner light indicates the unit is getting an error code
common error codes:
A. continuous flashing - ignition failure or abnormal combustion; look for visible water in the machine indicating a leak, check gas pressure, debris or buildup on flame rod/igniter plug, or clean unit with compressed air
B. 3 flashes - error 16, abnormal outlet water temperature; typically this code indicates you'll need to descale you unit
C. 4 or 5 flashes - exotic error codes; you should contact Noritz technical support to deal with these codes

2. If there is no flashing code, try increasing the hot water flow. In the summer time you typically use less hot water; this can result in intermittent operation of your tankless heater. Increase water flow by either: A. cleaning your showerhead and removing scale deposits B. widening your flow restrictor C. Remove your flow restrictor in the showerhead

3.If none of these resolves your problem, you probably have debris in your flow sensor. Contact Noritz technical support for a walkthrough on removing debris from a flow sensor.

Feb 18, 2010 | Noritz 6.3 Gallon Residential Tankless...

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