Rheem Appliance Error Codes | Official Service Manuals
Overview
Section titled “Overview”This page contains 66+ error codes for Rheem appliances, extracted directly from official Rheem service manuals.
Categories
Section titled “Categories”Electric-Water-Heater
Section titled “Electric-Water-Heater”| Model | Error Codes |
|---|---|
| xe40t12es45u0 | 4 codes |
| xe50t12es45u0 | 4 codes |
| xe80t12es45u0 | 4 codes |
Gas-Water-Heater
Section titled “Gas-Water-Heater”| Model | Error Codes |
|---|---|
| prog40-34n-rh67 | 3 codes |
| prog50-38n-rh67 | 4 codes |
| xg40t06ec36u1 | 4 codes |
Heat-Pump-Water-Heater
Section titled “Heat-Pump-Water-Heater”| Model | Error Codes |
|---|---|
| xe50t10hs45u0 | 6 codes |
| xe65t10hs45u0 | 5 codes |
| xe80t10hs45u0 | 5 codes |
Tankless-Water-Heater
Section titled “Tankless-Water-Heater”| Model | Error Codes |
|---|---|
| rtex-18 | 4 codes |
| rtgh-84dvln | 5 codes |
| rtgh-95dvln | 6 codes |
Water-Heater
Section titled “Water-Heater”| Model | Error Codes |
|---|---|
| prog40-42n-rh62 | 4 codes |
| xe50t10hd50u0 | 4 codes |
| xg50t12du36u0 | 4 codes |
Last Updated: March 2026