Rinnai Error Code 61: Fan Motor Failure

Severity
Warning
Type
digital display
Where to look
front panel
Estimated repair cost: $250 — $600 (parts + labor)
Warning: Your Rinnai water heater's fan motor has failed, causing the unit to shut down. This is not an immediate safety risk, but it needs professional repair.

How to Fix Rinnai Code 61

  1. Step 1: Turn off the power to your water heater at the circuit breaker for safety
  2. Step 2: Check if the venting system is clear of obstructions. If not, clear the obstruction if safe to do so
  3. Step 3: Call a professional HVAC technician to diagnose and repair the issue. Do not attempt to repair the fan motor yourself

How to Reset Rinnai Code 61

  1. Turn off the unit using the power button on the front panel.
  2. Turn off the gas supply valve.
  3. Turn off the circuit breaker supplying power to the unit. Wait 30 seconds.
  4. Restore power at the breaker, then open the gas valve.
  5. Turn the unit back on. If the error returns, the underlying issue needs repair.

Resetting clears the code from the display but does not fix the underlying fault. If the code returns after reset, proceed to the diagnostic steps above.

What Does Rinnai Error Code 61 Mean?

If your Rinnai water heater displays error code 61, it means the fan motor has failed. The fan motor is responsible for circulating air around the heat exchanger, helping your water heater operate efficiently and safely. When the fan motor fails, the unit shuts down to prevent overheating and potential damage. This error code is specific to Rinnai water heaters and is not typically found in other brands.

Common Causes

  • Most common cause: Worn out fan motor due to age or excessive use
  • Second cause: Electrical issue, such as a blown fuse or faulty wiring
  • Third cause: Obstruction in the venting system, preventing proper airflow
  • Fourth cause: Incorrect fan motor installation or previous repair

Diagnostic Steps

If... Check Expected
Water heater is not producing hot water Check the display for error code 61 Code 61 should be displayed
Fan motor is making unusual noises Listen for grinding or squealing sounds coming from the fan motor area Normal operation should be quiet

Applicable Rinnai Models

Replacement Parts

Part OEM Number Est. Cost Where to Buy
Fan Motor RIN-1000000001
Venting System

Related Codes on Same Models

Other codes that affect the same Rinnai model families as 61.

Code Description Severity
02 Stagnant Water Detection Warning
10 Air Supply/Exhaust Blockage Warning
11 No Ignition Warning
12 Flame Failure Warning
14 Thermal Fuse Warning
16 Over-Temperature Warning
19 Electrical Grounding Warning
25 Condensate Overflow Warning
29 Condensate Neutralizer Warning
31 Inlet Thermistor Failure Warning