57 🟡 Repair Required
Rinnai Error Code 57: Bypass Servo Valve Error
⚠️ Your Rinnai water heater is experiencing a bypass servo valve error, which has caused it to shut down. This is not an immediate safety risk, but it does require professional repair.
How to Fix Rinnai Code 57
- Check if the water heater is receiving power
- Try resetting the unit by turning off the power at the circuit breaker for 30 seconds and then turning it back on
- If the unit doesn't reset, call a professional HVAC technician
What Does Rinnai Error Code 57 Mean?
The Rinnai 57 error code indicates that there's an issue with the bypass servo valve in your water heater. This valve is responsible for directing water flow between the tank and the heat exchanger. When it malfunctions, it can cause the unit to shut down to prevent overheating or other damage. This error is typically caused by a faulty valve, but it could also be due to a problem with the valve's wiring or control board.
Common Causes of Rinnai Code 57
- Faulty bypass servo valve
- Wiring issue related to the servo valve
- Control board malfunction
Applicable Rinnai Models
Need a Pro to Fix Rinnai Code 57?
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Find a Licensed Tech Near You →Replacement Parts for Rinnai Tankless Water Heater Code 57
Bypass Servo Valve OEM: RIN-10192000