Error code3
The overheat sensor has opened due to excessive heat. The manual's first action is: “A03 High Water Temp. Immediate Lock Out Call Tech Service”
- Model
- Rheem GHE80ES/THE80ES GHE100ES/THE100ES
- Display shows
- Overheat stat is open (3)
- Type
- Error code
- Source
- Manual p. 32
What 3 means
Overheat stat is open p. 32
Common causes
- Overheat stat is open p. 32
What to do
- A03 High Water Temp. Immediate Lock Out Call Tech Service p. 32
If 3 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Rheem service.
Open the manual at page 32
All GHE80ES/THE80ES GHE100ES/THE100ES error codes
Manual details & download
This page summarises what the manufacturer’s manual says about 3; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Rheem. Found a mistake? Report an error.