Please list the error codes and meanings for the Aprilaire digital humidifiers.

Monday, January 10, 2011 by Aprilaire Team
Question:

I installed a Model 500 humidifier in a customers home, and it is displaying the
error code E1.....What does this code mean, or could you send me the list of
error codes, and their definitions???

Aprilaires' response:

Thank you for contacting us regarding the Aprilaire product line. We are happy to assist you with questions and concerns relating to the operation of the humidistat equipped with the model 500 humidifier. At this time we would like to further discuss this issue relating to the E1 code in the display and get further information relating to the installation and application. The E1 error code indicates generally an issue with rh sensor on the back of the control.  However, at this time we would like to gather further information relating to the application if possible. We have listed below the several questions relating to the application for further analysis of this particular issue.

1.) The humidistat on supply or return?
2.) Where is it positioned in reference to the humidifier or bypass arm?
3.) What type of heat source?
4.) What type of heating system?
5.) When was the product installed?
6.) When did this first occur and does it go away at any point?


Once this information is provided we can determine the best resolution for the existing issue with the digital control. This type of operation is not typical from the product at this point. We would like to bring back the control for further analysis by our engineering team. If you could please provide us with the requested information above as well as the contact and address information for Advanced Air. Once we have further information a replacement control will be sent out immediately and a returns good authorization number will be provided for the current problematic control to be returned. If there are any questions at all please contact us at your earliest convenience. We are happy to assist you with any questions or concerns relating to the Aprilaire product.


Comments for Please list the error codes and meanings for the Aprilaire digital humidifiers.

Friday, February 4, 2011 by William Mramor:
I am getting an error code E3 on my #500 humidifer digital control mounted on the cold air return. I am getting 29.5 vac at the control. It was wired according to the instructions. What should I be looking for?
I am a self employed plumber Ohio #23303. I know how to use a multi meter. Thanks
Thursday, August 22, 2013 by audrey:
I have the aprilaire 8346 now it cools during the day the fan and unit outside never uts off until you turn the thermostat inside down then it won't come on to cool the house in the evening or during the nght the inside temperature gets to 87 and won't cool back down the next day it also has an 11 I guess a code how can I get the feirenheit to go down

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