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Flashing number 12 with no hot water ant ideas?

Posted by Anonymous on

3 Suggested Answers

6ya6ya
  • 2 Answers

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

tborn6
  • 700 Answers

SOURCE: NORITZ LP TANKLESS HOT WATER HEATER

heres the link for the heater codes that you are having http://noritz.com/u/owner_s_guide_n_1321m_asme.pdft3
good luck

Posted on Jan 21, 2009

snap101
  • 117 Answers

SOURCE: this things beeping and flashing 12 everytime we

check the error codes on it by pressing the on off button for 2 seconds then while holding the on/off button press the up button this should display the last 9 error codes let me know what they are

Posted on Jul 29, 2009

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1 Answer

Rinnai R75LS error 12. I recently went to fill my bathtub and got nothing but cold water. After checking the hot water heater it was flashing 12. After looking at the book saw it meant flame failure. My...


You may have instant hots for the sinks, a small heater for each location which won't be on the tub. If there is a flame fail the hot water heater is not working. Check the flame sensor and ignitor.

Jan 07, 2014 | Water Heaters

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2 green flashes. hot water is blazing hot set at 120 degrees.have the energy smart unit model#ee2h50rd045v . what is wrong?


2 green flashes is 'High Water Temp.'
http://waterheatertimer.org/Whirlpool-Energy-Smart-electric.html

Typical energy smart manual:
http://waterheatertimer.org/pdf/Whirlpool-energy-smart-electric-manual.pdf

3 flashes is Temperature Sensor failure.
4 flashes is Upper element
5 flashes is Lower element

Troubleshoot section says:
1) Make sure access doors and insulation are installed.
2) Check elements for resistance of 5-25 ohms (if element has a short in center of element, it might not trip breaker)
http://waterheatertimer.org/How-to-test-water-heater-element.html
3) replace element and reset control system.
Buy ordinary 4500 Watt element from hardware store.
http://waterheatertimer.org/How-to-replace-water-heater-element.html

4) I also suspect the self-diagnostic control box.
Manual says: Repair parts may be ordered through your plumber,
local distributor, home improvement center, or by calling
1-877-817-6750.
You need serial number, product number and model number from label on side of tank.

Jan 11, 2011 | Whirlpool Water Heaters

1 Answer

The number 12 shows and there is no hot water


The error 12 means flame loss. It is most commonly caused by insufficient gas pressure supplied to the unit, but it can also be caused by debris on the flame rod. Blockage in the exhaust vent or a stuck flue damper can also cause a 12 error code

Nov 09, 2009 | Noritz 6.9 Gallon Residential Direct Vent...

2 Answers

I have a Rinnai tankless gas water heater and this things beeping and flashing 12 everytime we turn on the hot water the water will get hot but you have to wait for it to stop beeping


Error 12 is failed ignition - this can be caused by many things, but normally a low gas pressure, or no gas pressure upon ignition.
Try turning the hot tap on very slowly till till the control shows burner is lit. Then turn it on faster. If it stays going with no error, you might have a faulty regulator, not opening fast enough to meet demand. Especially common with lpg models,a lot rarer on natural gas.

Oct 27, 2009 | Rinnai Water Heaters

1 Answer

This things beeping and flashing 12 everytime we


check the error codes on it by pressing the on off button for 2 seconds then while holding the on/off button press the up button this should display the last 9 error codes let me know what they are

Jul 28, 2009 | Rinnai Water Heaters

1 Answer

NORITZ LP TANKLESS HOT WATER HEATER


heres the link for the heater codes that you are having http://noritz.com/u/owner_s_guide_n_1321m_asme.pdft3
good luck

Jan 16, 2009 | Water Heaters

1 Answer

No hot water out of a rtg-74pvp-1 tankless water heater


in order to reset the unit you will have to turn the temp all the way down then unplug the unit for 5 min,, remember it is a computer and it knows, after plugging in back in after the five min, reset the temp open up a fauset while doing this, that way it will be regestering the flow of water to set the temp by

Dec 18, 2008 | Rheem Tankless Hot Water Heater...

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