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Have ecosmart tankless water heater when I touch ends of fuses to connections it works but when I actually push the housing thing shut it doesnt

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Posted on Jan 02, 2017

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SOURCE: Paloma tankless, gas, water heater, error code C7 76

If you look on the left hand side of the burner control module you'll see 4 capacitors - the capacitors have most likely failed...pretty sure anything code 76 is P/S failure. It may also be covered for manufactures defects. If the cap is blown..the top will be slightly raised as apposed to flat like the other nearby caps - they are called top blow capacitors...the damage should be evident.

Posted on Nov 01, 2009

  • 244 Answers

SOURCE: I have a paloma tankless water heater about 3

I had the same problem with my Paloma a year and a half after installation...contacted Rheem 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 06, 2009

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My water heater shuts down in cold weather. How do I fix this problem


Add tempering tank.
Tempering tank made from old tank-type water heater, or small tank heater will passively heat incoming water.
http://waterheatertimer.org/Tempering-tank.html

This works because tankless can only raise temperature so many degrees. If water is very cold, tankless cannot keep up, so the sensors shut down the unit.
Passively preheating water... or using a small tank connected to power can preheat water enough so tankless works.
Also delime tankless each year will help remove natural scale that builds up inside tankless heat exchanger.
http://waterheatertimer.org/How-to-delime-tankless-water-heater.html

Gene

Water Heater Timers Save Money

Feb 13, 2015 | Water Water Heaters

1 Answer

Controller not working


The rinnai is a computer that heats water. It is not ordinary water heater most people are familiar with, and repairs are not do-it-yourself, requiring a trained technician qualified in that brand who can diagnose both computer and water heater problems and plumbing problems.
Call rinnai for recommended local technician. Click on support tab. Note their webpage is very short on repair details, unlike companies that sell tank-type heaters... because tankless units are not do-it-yourself.
http://www.rinnai.us/tankless-water-heater
Problem might be simple blown glass fuse on circuit board or complete failure of computer and sensors.
Here is page written for Rheem tankless, that explains general complexity of tankless computers, and showing required maintenance, such as deliming each year:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
To save problems with tankless computers plus anticipated expense of maintenance and repairs, I recommend homeowner install tank-type gas water heater:
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Also install one-time-use whole house surge protector, and install grounding rods to prevent further damage... lightning frequently likes the same places over and again:
http://waterheatertimer.org/How-to-wire-Whole-house-surge-protector.html
Gene
h

Aug 12, 2013 | Rinnai Water Heaters

1 Answer

Titan Troubleshooting


Check for small fuse on circuit board:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Water heater circuit boards are NOT protected from surge. And reset button does not protect from surge. Nearby lightning can put out any household appliance, especially since more of these things are electronic instead of mechanical.
Install single-use whole house surge protector and replace it after each surge event instead of replacing appliances.
http://waterheatertimer.org/How-to-wire-Whole-house-surge-protector.html
The quickest solution for tankless is to replace whole thing with more reliable tank-type electric heater for $275 from local box store.

Jun 18, 2013 | Water Heaters

1 Answer

We have a bosch tankless water heater in a 1600 sq ft home...it works great except in one faucet (the spare bathroom sink)...sometimes the hot water comes out, sometimes it doesnt, sometimes it takes...


Since you have hot water at all the other fixtures, the problem lies in the sink, not the water heater. It could be that the sink is farther away from the water heater than the other fixtures. It would take longer to get hot water.

Aug 29, 2011 | Bosch 1600H-NG Natural Gas AquaStar...

1 Answer

Hi, I have a Rheem water tankless heater and there was a storm lastnight so suddendly I have no hot water. What can It be?


1) All tankless water heaters require voltage to operate electronic sensors and circuit board.
This is true for gas and electric tankless.

2) Check that circuit breaker is not tripped. Push circuit breaker all the way one direction and then all the way back other direction.

3) There are fuses located inside the tankless unit, so check your manual for location of each fuse.
Manual is filled with useful maintenance and troubleshooting steps.

4) Before calling service technician, open following link for troubleshoot resources including manuals, Rheem on-line chat, and useful links for maintaining tankless water heater.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

5) If you had nearby lightning strike, I don't know if your tankless is protected from surge.
I recommend whole-house surge protector for tank and tankless water heater electronics, and household circuits. Surge protection is installed in main breaker box, and is replaced after each surge event. Separate protection needed for co-ax TV satellite, co-ax surge protection can be found on some ordinary power strips.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#surge

Apr 11, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Unit shuts off when in use, code C7, 76


Before calling service technician, open following link for Rheem troubleshoot resources including error codes and typical manuals.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
C7 76 is problem with remote control. Following link might help.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf

Read manual cover-to-cover to make sure your tankless water heater receives yearly maintenance required for unit to continue working.
Tankless are maintenance heavy which can quickly eliminate any promised energy savings unless you de-lime and troubleshoot and read tips-and-tricks others have written and glean information from service technician who visits your house. Mostly glean how much tankless repairs and parts cost vrs buying whole new tank-type gas water heater at local box store, since all costs are energy.

Feb 17, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

Not sure if my first try worked so will try again. Bosch PowerStar AE125 Tankless Water Heater. Quit heating water. Water pressure and flow is good. Thermal Cut-outs are good - (not tripped) (Power at...


The easiest thing to do would be to call Bosch and just ask for a new heater for free. The other option is to call Bosch and have them send you all new elements. If there is power, there should be heat of some kind.

Sep 13, 2010 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

Bosch water heater


I'd initially check for a cross connection (cold water leaking into hot water system). This can be done by shutting off the cold water feed to the tankless unit, then opening up hot water fixtures around the home. You should see the water come to a complete stop; if you see a steady stream of water, then you have a cross connection. The most common place for a cross connection is at single handled showers. The valve cartridge starts to fail over time.

Jul 09, 2009 | Bosch & Tankless LP Hot Water Heater

1 Answer

Electric Bosch tankless water heater wont heat water.


Here is the run down>
Water too cold Neon light on:
Cause:
1). Water flow is too high-adjusting the water flow as follow; open fully both inlet and outlet shut-off valves at the heater, then turn on fully the highest flowing hot water faucet closest to the outlet connection. Adjust the outlet shut-off valve until the water flow from the hot faucet corresponds to the approximately 3.6gal/min at 105 degree.
2). One of the power supplies is not on-check the breaker box, there should be three ganged breaker, each corresponds to each of the heater power supply.
3). The power supply voltage has dropped-reset the breaker in the breaker box.
4). Temperature dial is turned too low- temperature adjustment is made using the dial on the bottom edge of the unit. The adjustment is between approximately 95 and 135 degree F. Turning the dial clockwise increase the temperature settings.
5). The inlet water temperature has dropped-readjust the temperature dial.

Attached link is for Bosch hotwater heater installation. This should give you idea as to what to look for.
http://www.boschhotwater.com/Portals/7/TechManuals/AE115_AE125_English.pdf
The following link is Basch Hotwater troubleshooting Q&A, this should also give you some help.
http://www.boschhotwater.com/HelpfulResources/TechnicalSupport/PowerStarModels/AE115AE125/Troubleshoot/tabid/632/Default.aspx

Please post back on this thread, If you still having problem.

Jan 27, 2009 | Bosch PowerStar AE125 AE125 Whole House...

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