29 🟡 Repair Required

Rheem Error Code 29: Rheem Code 29 - Fan Motor Abnormality

⚠️ Your Rheem unit has detected a problem with the fan motor and has shut down to prevent further damage. You will likely have no heat or hot water.

How to Fix Rheem Code 29

  1. Step 1: Check the vent for any visible obstructions like leaves, snow, or debris. Clear any blockages you can safely reach from the outside.
  2. Step 2: Reset the unit by turning off the power at the breaker for a few minutes, then turning it back on. This might clear a temporary error.
  3. Step 3: If the error persists after these steps, contact a qualified HVAC technician for diagnosis and repair.
Type: digital display

What Does Rheem Error Code 29 Mean?

Rheem error code 29 indicates an abnormality with the fan motor. This usually means the system's control board isn't receiving the expected feedback from the fan, or that the fan isn't operating within the expected speed range. The fan motor is responsible for exhausting combustion gases safely out of your home. When it malfunctions, the system shuts down as a safety precaution to prevent dangerous gases from building up inside your home. This code can appear on tankless water heaters or furnaces.

Common Causes of Rheem Code 29

  • Fan motor failure: The motor itself has failed due to age, wear, or electrical issues.
  • Wiring problems: Loose, damaged, or corroded wiring between the control board and the fan motor.
  • Blocked vent: Obstructions in the vent pipe restrict airflow, causing the fan motor to work harder and potentially trigger the error.
  • Control board malfunction: The control board is not sending the correct voltage to the fan motor or is misinterpreting the fan's feedback signal.

Applicable Rheem Models

🔧

Need a Pro to Fix Rheem Code 29?

A licensed HVAC technician can diagnose and fix this issue quickly.

Find a Licensed Tech Near You →

Replacement Parts for Rheem Tankless Water Heater Code 29

Draft Inducer Motor
Control Board
Pressure Switch