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J n o d tankless Electric hot water heater model #XFJ120FDCH water will not heat is there a reset button or something or what to do?

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My pal's pal makes $seventy eight hourly on the internet. She has been with out art work for 5 months however final month her fee become $12747 really walking at the internet for some hours. look at more on this internet website on-line..... www.amazon78.com

Posted on Oct 13, 2019

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6ya6ya

6ya staff

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SOURCE:

Hi there,
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Posted on Jan 02, 2017

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Scott Magill

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SOURCE: A2 error on Bosch tankless water heater

  1. Check continuity of the flue gas limiter (see Fig. 63, page 46 of manual). Go to steps two and three to determine air box temperature sensor fault and replace it.
  2. Check for flue gas leakage around the top and bottom seals of heat exchanger as well as the viewing window.
  3. Check that venting is within specifications (see Section 3.3 of manual). Long vent lengths, venting with more than three elbows, blocked vent or combination venting may cause this failure.
  4. Check that flue gas limiter connector and spade connections are secure.
  5. Unplug heater and check the two main plug connections inside the control board.

Posted on Jan 23, 2009

Anonymous

  • 1 Answer

SOURCE: Tankless water heater pilot light will not stay on

It is most likely the water valve stuck open, telling the controls to heat water, that it thinks is flowing through it, but without actual flow it overheats. Depending on how comfortable you are with taking it apart yourself, you could open the valve to see if it just needs cleaned out, or if you have a ruptured diaphragm or some other cause.

Posted on Apr 22, 2009

gary1121

gary miller

  • 332 Answers

SOURCE: reset button for tankless water heater

you need to unplug the unit, wait for 30 seconds reset the temp to the lowest temp, then try it, if this does not work it might have done something to the circuit board, are you on a gfi out let it needs to be there is water and ele, and should be on the gfi with a reset on it,,

Posted on Jun 01, 2009

Anonymous

  • 244 Answers

SOURCE: richman gas lp tankless hot water heater. used for

I had the same problem with my Paloma a year and a half after installation...contacted Rheem\Paloma\Richman customer service (800-432-8373) and they recommened a local installer in my area. The technican diagnosed the problem as the "flow control valve"; he managed to get Rheem/Paloma to cover the part under warranty...I only had to shell out the money for the install.

Posted on Nov 11, 2009

genevadirt

  • 127 Answers

SOURCE: I have a reliance 501 electric hot water heater

it is located on the thermostat. Take the cover off the side and you will see a little red button in the side of the themostat.

Posted on Jan 11, 2010

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What is causing electric tankless hot water heater to be needing red button reset often?


PDF]Tankless Electric (RTE) Troubleshooting - Rheem

www.rheem.com/docs/FetchDocument.aspx?ID=87d15e35-5adf-4e9f...
Tankless Electric (RTE) Troubleshooting. Technical Competence .... For four chamber units (RTE18 & 27) go to paragraph 4T. 9. Conduct OHMS resistance ...

Rheem RTE 27 Series ' Use and Care Manual

https://www.manualowl.com/m/Rheem/RTE-27-Series/Manual/296033
Rheem RTE 27 Series ' Use and Care Manual - Page 1. Use & Care Manual Electric Tankless With Installation Instructions for the Installer Water Heaters The ...

Sep 06, 2015 | Rheem RTE 27 Tankless Electric Water...

3 Answers

How long do tankless water heaters last?


if the tank is stainless steel it should last 30 years or more however most are not and if they last 10 years it still is not cost effective since they cost so much more than conventional

Mar 20, 2015 | Rinnai RV53i Tankless Water Heater

2 Answers

My water heater keeps tripping the reset button on one of the two heaters. Anyone know what the problem might be


Reset Button.....be nice if you gave us a brand/model to go with.
If you mean the small GFCI inside the heater, you'll need to get a Tech Service Call and call Mfrs Tech Support as something is short to ground. This can't be done remotely as you have to track currents and voltages and resistances with a multimeter.
Tankless usually draw less than 2A even when fully on so doubtful you're overloading a general house circuit.
Might even be the small interior GFCI that's bad. That's why you need Tech Support.

Jun 27, 2014 | Bosch & Tankless LP Hot Water Heater

1 Answer

There is power to the system but when you turn water on elements do not come one and heat water. all phases have 238 volts to them. why will system not turn on and heat water


Do you have 3-phase water heater? Is this balanced or unbalanced 3-phase unit. Add comment and describe product in detail, including brand since i have some service resources for both types.
Or do you have ordinary residential split-phase 240Volt Bosch tankless computer that heats water, and has 2 or 3 separate elements, and a separate circuit breaker supplying power to each element? And testing across both hot leads coming from each breaker yields 238Volt?
Copy following link for Bosch tankless manuals, with brief troubleshoot section that does not provide detailed service procedures for repairing tankless computer:
http://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html#manual
If this is new water heater, then call installer. If you installed yourself, then remove tankless and return to seller for refund.
Tankless computers require certain amount of water flow to activate computer sensors. Turn on Hot tap and listen to pipe to hear if water if flowing through hot pipe. Check for crossover:
http://waterheatertimer.org/Crossover.html
Clean water filter usually located just above where cold water connects to unit.
Delime tankless ... and use water softener. Tankless cannot be exposed to more than 11 grains hardness in water, or parts will fail within 2-3 years. Simply deliming tankless heat exchanger each year will not maintain full efficiency... although for typical family of 4, tankless comper water heater costs $100 more to operate than tank-type heater according to manufacturer's promo literature and independent studies.
Call local technician who specializes in fixing tankless computers. For plumbing problems call local plumber. These are two different things.
If tankless computer is older, then cut losses, and buy tank-type electric water heater at Lowes for $285 and make quick changeover and have hot water same day. Sell old tankless on ebay and cheat next guy, or sell at scrapyard for $3 per 100.
Gene
h

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

Aug 05, 2013 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

Need wiring installlatison


How to wire tankless electric water heater. Reading required.
http://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html
Add a comment and describe more detail, including product and number of terminals, including information shown on product label.

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

Jun 20, 2013 | Watts Premier 500528 Premier Four-Chamber...

1 Answer

Hot water not coming out


Tank-type Electric water heater?
Press reset button.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Add comment and describe water heater, and more detail about problem

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

Mar 30, 2013 | Eemax "Flow Controlled" Electric Tankless...

1 Answer

No hot water


10-22-12
Copy following links to help identify product and download possible troubleshoot resources:

Tank-type gas
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

Tank-type electric:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Rheem tankless:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Other types of water heaters include boiler, tankless electric, indirect, solar-assisted, solar, hybrid electric, heat pump, wood-burning, gas hybrid, 3-phase commercial electric.

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

Oct 21, 2012 | Rheem Water Heaters

1 Answer

How do you insulate a tankless water heater for winter


If you have tankless electric, it can simply be insulated... but tankless electric are seldom mounted outdoor.
Service bulletin says: "the only way of assuring protection is to completely remove the heater during those times the area may experience freezing temperatures.

There are tankless with built-in heater for exterior installation.
Check your manual, or add a comment with specific model number and maybe I can find the information.

Here's why they install tankless outdoors: Because tankless burn more fuel per gallon of hot water. This requires larger gas line and larger vent pipe than typical tank-type gas water heater that is usually installed indoors.
They install tankless outdoors, so there is no need for expensive vent pipe, and because there is ample incoming air to support combustion.
So if tankless does not have factory-installed internal heater, then the unit can freeze easily when the combustion draws in cold air.
Of course you can put heat-tapes on the pipes but the heat exchanger inside will quickly freeze during periods when hot water is not being used, and combustion is not taking place.

You can move the tankless installation inside and use correctly-sized vent and intake pipes directly through the wall. This will generally protect tanklesss from freezing if room is heated adequately.

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

Sep 26, 2012 | Rinnai Webstone The isolator EXP tankless...

1 Answer

I have an American Heat adk-1. As of this morning no hot water. Light is on standby. Unit one year old. Is there a reset button to try or any other suggestions?


You need to get a real tankless water heater, I had one of this brand and what a waste of money, when you call the company they do not speak very good English and if you talk to Richard whom is supposedly the VP he is as dumb as a mule.

Jul 11, 2010 | RTO American Heat Tankless Electric Water...

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