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Category: HVAC
Satisfied Customers: 14604
Experience:  15yrs in the HVAC industry with certificates and degrees.
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Ruud water heater with eco / control health / 24v / and

Customer Question

ruud water heater with eco / control health / 24v / and water temp lamps all flashing in loc mode
model HE119-199N
Submitted: 1 year ago.
Category: HVAC
Expert:  HVAC Guru replied 1 year ago.

Hello and thanks for using this service, if you have been waiting do not worry or get upset I am just one of the techs on here and I try to get to as many customers as I can and I just picked up your question now. Please allow time for me to respond, sometimes I get the questions or responses late so please be patient as I have no control over the site issues. NOTE, I have nothing to do with your payment to the site and did not receive that money. You have to supply a rating in order for us techs to receive credit for our time as we have nothing to do with any payment made to the site.

Have you tried to shut power off to the unit for a full minute to reset the controL?

Customer: replied 1 year ago.
Expert:  HVAC Guru replied 1 year ago.

What error code comes up on the unit?

Customer: replied 1 year ago.
the four lamps I wrote in initial question all flash
Customer: replied 1 year ago.
wont come out of LOC mode with the four lamps flashing with the LOC almost in a stobe effect
Customer: replied 1 year ago.
what should I test on control board to see if its a bad board
Expert:  HVAC Guru replied 1 year ago.

Do you not have a display on your unit? It shows it for the model you listed? Or does the display just say LOC?

Customer: replied 1 year ago.
when you hit red reset button inducer motor starts up for 5 sec and shuts back off and LOC never leaves the display
Customer: replied 1 year ago.
just says LOC
Customer: replied 1 year ago.
model HE119-199N
serial 1204t5392n
Expert:  HVAC Guru replied 1 year ago.

OK you have a bad controller...go to page 17 and see if you can get it in test mode, if not replace the controller, the code is probably LOU as seen on page 25 as well, common issue.


I would like you to know that I am APPLIANCEGURU a tech that works for the site, the payment you made to the site is not automatically credited to me nor do I receive all of the payment you made. The only way I receive any credit at all for my time is by you selecting a STAR using the 5 STAR RATING SYSTEM on your page before you leave for me so please make sure you are rating me not another tech. If you are not happy with the service please let me know before leaving a negative rating. This will also allow you to get directly back to me for FREE follow up questions and tips are greatly appreciated! Thanks

Customer: replied 1 year ago.
do you have a part # ***** controller?
Expert:  HVAC Guru replied 1 year ago.