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Going into hard lockout code reads E2 - Honeywell Triangle Tube Prestige Solo 110 Ng Wall Boiler Ps110 Ng

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My water heater is a "Marey" propane and the water won't get hot and it keeps saying "E2" I lost my manual so I can't see what that means. Do you know?


An E2 code is often an indicator of an electrical problem inside the water heater. The most common problem is with the inlet water temperature sensor. Often a reset will fix the problem. To achieve the reset unplug the unit. Open the unit being careful of fragile electrical wires. Next remove the computer board and then disconnect each plug in wire and reseat them one at a time. Reassemble the unit and plug it in. It should be in working condition, without the E2 code.
Marey electric heater E2 error Marley Water Heaters

and also another idea here

found this helpful answer from plumber on JustAnswer com

and finally, how I found the answers.

E2 Google Search

Apr 26, 2017 | Water Water Heaters

1 Answer

Just installed, shows error code E2, is not heating water


An E2 code is often an indicator of an electrical problem inside the water heater. The most common problem is with the inlet water temperature sensor. Often a reset will fix the problem. To achieve the reset unplug the unit. Open the unit being careful of fragile electrical wires. Next remove the computer board and then disconnect each plug in wire and reseat them one at a time. Reassemble the unit and plug it in. It should be in working condition, without the E2 code.

May 22, 2015 | Water Water Heaters

1 Answer

If I dont have an owners manual who do I contact to get my Aviditi tankless water heater fixed because it is showing code E2.


Ahhhhh..try contacting the Avinditi tankless water heater people, or see if there's water getting to the unit if not it'll show and no water code good luck

Jan 29, 2015 | Water Water Heaters

1 Answer

Error code tankless gas


E2 is a cold water inlet temp sensor. Has your unit experienced any freezing conditions? If it senses below 36 degrees or above 90 degrees it will show this error.

If its normal temp, and you still get this error...check your sensor. Its an 8(kohm) sensor. Make sure its not open. If it reads ok and your temp is not an issue, then you probably have a bad control board

Dec 15, 2013 | Bosch AquaStar 2400ES-NG

1 Answer

Error code e2


E2 is a cold water inlet temp sensor. Has your unit experienced any freezing conditions? If it senses below 36 degrees or above 90 degrees it will show this error.

If its normal temp, and you still get this error...check your sensor. Its an 8(kohm) sensor. Make sure its not open. If it reads ok and your temp is not an issue, then you probably have a bad control board

Dec 15, 2013 | Bosch Water Heaters

1 Answer

Rheem Intelli-vent intermittently goes in lockout mode


Rheem does not post service manuals.
However AO Smith has posted relevant service manual:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Have you cleaned the air intake located under combustion chamber, and inspected for broken glass vial?
Rheem FVIR system uses glass vial that breaks if combustion air is slowed, and resulting combustion causes slow-moving venting of hot gasses, causing overheating that breaks glass vial.
http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html

Check gas pressure.

Replace gas control valve:
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf

Oct 09, 2012 | Water Heaters

1 Answer

Error code e2 on Rheem tankless water heater


e2 is not shown among common error codes:
Error e2 might be: Brownout condition or too low of voltage to thermostat. Double check wiring and check for 24 vac between R and C. E2 will clear 15 sec after proper voltage is restored.

Before calling service technician, open following link for Rheem troubleshoot resources including Rheem chat and typical generic manuals and common error codes:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Model number and serial number are required for Rheem contact, and then they tell you what error code means without saying how to fix it, and then tell you to call service technician.

Tankless water heater manuals each say to have qualified technician perform yearly service. Most causes for common error codes are covered by yearly service.

Yearly service is fairly standard in the HVAC and water heater industry with advancement of high-tech 'energy' saving appliances. Of course all costs are energy, and the service call probably costs more that the 'energy' saved by energy-saving appliance. But with high tech stuff like tankless, it is good to have a reliable service guy who knows your machine.
http://waterheatertimer.org/images/Tankless-wiring-1200.jpg

Jul 27, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Error code e2. inlet water temp sensor. any one have to fix this?


Before calling service technician, open following link for Bosch troubleshooting resources, including error codes, manual, Bosch contact info, and service bulletins.
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html

Error codes are starting point for troubleshoot.
e2 is cold water temperature sensor fault.
Bosch error code says: 1) Check connector on wires coming from top of water valve for a secure connection.
2) Sensor may trip if water temperature drops below freezing to protect heater from freezing conditions Any damage due to freezing conditions is not covered under warranty.

Another contributing cause can be temperature thermostat set very high and tankless sensor is going bad, and very cold incoming water, or combination of factors above.

Also read manual for advisories and required maintenance. Some units require water filter be cleaned monthly.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 28, 2011 | Bosch AquaStar 2400ES-NG

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