Question about Rheem EcoSense by 4.2 GPM Tankless Water Heater LP Gas

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I have a rheem integrity24 which is 5 years old. I have an error code c 9 12. What does this mean?

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Check for carbon build up on the flame rod or qualified technician to check it

Posted on Aug 12, 2010

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I have a Richmond tankless water heater and it has L1 error code...can somebody help me with this?


Might be able to help. Except L1 does not show on any error code file.
Copy following link for Rheem Richmond Ecosense etc computer water heater troubleshoot resources
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Are you sure the error is not IL? Delime tankless.
Or UL flashes and indicates reset.
Or CL flashes and indicates fault history is cleared.
Or error 11 combustion failure? Call for service.
Or P1? Low water pressure, clean water filter check for leaks and crossover caused by bad single-handled faucet cartridge.
I recommend calling Rheem to find local technician who is qualified to work on tankless computers. Tankless are not ordinary water heaters, and they require continual maintenance to avoid common error codes, especially as unit gets 2-3 years old, after warranty has expired.
The required maintenance and expense of repairs, and general fact that people cannot make their own repairs, make tankless computers a bad choice for heating water.
If unit is 4-5 years old, it might be best to install tank-type heater for $385 from Lowes and cut losses.
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Gene
h

Aug 08, 2013 | Rheem Richmond Encore Tankless Nat Gas...

1 Answer

RichmondG40PVpower vent gas water heater


1) Type and brand water heater unknown.
Copy following link for Rheem-Richmond tankless error codes:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

2) Question posted under Richmond tank-type power vent.
Error code 24 appears to be Rheem-Richmond tankless water heater.

3) Add a comment with more information about type, brand, age of water heater including what you have tried so far.

4) Call service technician to catch up on required yearly maintenance.

Dec 28, 2012 | Audiovox Richmond 6G40-36F 6-Year Tall Gas...

1 Answer

Richmond tankless water heater will not clear error code


Why is it always Rheem problems?
Every water heater problem at fixya is Rheem.
And Rheem doesn't post any service manuals, like the other two big manufacturers, AO Smith-American, and Bradford White.

Rheem 2012 manual says if error 13 still displays, then contact installer or service technician. Mo Money buddy.
This is about oxygen sensor, poor combustion, bad venting, inadequate air supply, failed sensors, etc.
Get more fresh air to unit and see if that solves problem. The call service technician, and get out wallet.
Copy following link for Rheem-richmond tankless troubleshoot.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Maintain water heater according to instructions in manual to avoid common error codes. Of course this means you have to service the unit each month, and each year, without guarantee the thing will work correctly.

Sep 06, 2012 | Rheem Tankless Hot Water Heater...

1 Answer

Rheem tankless water heater error code 11


Error 11 is ignition failure, or insufficient gas, or defective sensor, dirty combustion parts.
Do the yearly required maintenance such as cleaning the combustion parts, and error code will probably be solved.
Problem is Rheem does not post service manuals for people to learn how to service their equipment without calling service tech.
Copy following link for Rheem troubleshoot resources
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

The cost of yearly maintenance will easily eat away the expected yearly savings of $100 for typical family of 4.

Aug 20, 2012 | Rheem RTG-66DVN Direct Vent Natural Gas

1 Answer

My water heater shows error code c-4 it starts for 3-4 min then stops. what does this code mean?


Before calling service technician, open following link for Rheem error codes, chat, and possible solution:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Error codes are start-point for troubleshooting.
C4 11 can mean no ignition:
Simple solution for this problem can be to clean burner and combustion parts including sanding any carbon deposits off of iginiter.
Other simple things can be loose wiring on gas solenoid, or improper grounding, or low gas flow or gas pressure.
Other causes can be bad gas solenoid, bad igniter, misaligned ignition parts and sensor, bad igniter wiring.

As you know from reading your product manual, tankless require yearly service. This service can prevent many common error codes before they happen.
Typical do-it-yourself maintenance can be accomplished using following pdf
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

Sep 16, 2011 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

No hot water error codes 76, C4,C7


Before calling service tech, open following links for Rheem troubleshoot resources including rheem chat, error codes, possible maintenance and service manual.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Error codes are considered start-point for troubleshooting.
Multiple error codes can mean PC board failure.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
http://waterheatertimer.org/pdf/Error-code-13.pdf
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

Aug 12, 2011 | Rheem RTG-66DVN Direct Vent Natural Gas

2 Answers

We are getting multiple codes. Can someone help us. Last year we got cod c2 11 which we found out we just have to clean the probes in the unit. So we did that yesterday again and everything worked great,...


Rheem, Richmond, Ruud, and Paloma are all the same manufacturer. After about 9 months, my tankless RTG-74PVN started giving me error code 11 and cold water!. I fixed it by cleaning the burner, as shown in this video:
www.howtolou.com/clean-a-burner

Jul 31, 2011 | Rheem EcoSense by 7.4 GPM Tankless Water...

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

My water heater is flashing a cod 2 then 3 how can i reset this i lost ths manual


First thing to try for any electronic problem is unplug the machine and see if problem resets.
Before calling service technician, open following link for Rheem tankless resources including error codes and possible manual and Rheem chat and contact:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Error code 2 and 3 do not show on Rheem/Paloma charts or in typical manual.
Error codes are generally considered start places for troubleshooting.
Multiple error codes can mean PC board failure, but same problem on one unit can have different cause and solution than another unit.

Read the manual and make sure yearly maintenance is caught up.

Add a comment and say what you did to solve problem.

Jun 13, 2011 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

New Richmond tankless water heater C8 error


I think error code C8 is #13
It has to do with air quality, lack of sufficient air, or lack of venting or dirty air filter.
Check following links to see if they have information:

Check following link for recall list:
http://www.tankless-recall.com/tanklessSearch.aspx
Manual shows error 05 or 13:
http://waterheatertimer.org/pdf/Rheem-RTG74IndoorOutdoor_owners.pdf

Sep 01, 2009 | Rheem Tankless Hot Water Heater...

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