What are the error codes on the Rinnai?

Rinnai Error Codes Error Code 02: No burner operation during freeze protection mode. Call a plumber. Error Code 03: Power interruption during bath fill Turn off all hot water faucets/taps. Press On/Off button twice. Turn hot water back on and test.

What to do if your Rinnai Water Heater error code reappears?

Inspect flammable vapor sensor to confirm it’s not damaged and check wiring harness for loose, damaged, or broken connections. Once 100% sure no flammable vapors are present, turn power and gas back on, and open a hot water tap to fire the unit back up. If code reappears, replace the flammable vapor sensor.

Why is my Rinnai hot water not working?

Your hot water unit may not be working due to power outage. Solar systems can face issues during poor weather. Check the booster switch for the same. Ensure if the thermostat is working correctly. Check if the tank is leaking or not. What are the Rinnai Hot Water Error Codes?

When to call a plumber for a Rinnai tankless water heater?

When something goes wrong, the unit displays an error code. Using this Rinnai tankless water heater error code guide, you can quickly determine what the problem is and if you need a plumber to service the unit or if you can fix it yourself. Error Code 02: No burner operation during freeze protection mode. Call a plumber.

How does a Rinnai tankless water heater work?

We’re huge fans of Rinnai tankless systems! Your Rinnai tankless water heater is a smart water heater, meaning it is equipped with a self-diagnostic tool that continuously monitors if the unit is functioning properly. When something goes wrong, the unit displays an error code. Using this Rinnai tankless water heater error code guide,…

What’s the Rinnai code for the heat exchanger?

To fix this error code, you need to flush the heat exchanger. If this does not work, you may need to replace the heat exchanger. Rinnai error code 00 will usually be replaced by LC code, followed by a number between 0 to 9 in the maintenance code history.

Are there any issues with the Rinnai split system?

Having issues with your Rinnai AC? You may have an issue with the AC filter, error codes, the control panel, the remote, or the basic operation of the unit. If problems or errors occur you can troubleshoot the unit using the charts and information below.

What should I do if my Rinnai Water Heater is not working?

Important: Always hire a licensed professional to service or fix your Rinnai tankless water heater. If you are planning to do it yourself, always turn OFF gas, water, and electrical supply. Turn OFF a tankless water heater. Press and hold the ON/OFF button for a few seconds and then press the UP button simultaneously.

What does code 05 mean on Rinnai Water Heater?

Error Code 05 means that you have a problem with your bypass valve. This error is specifically shown to the water heaters which have bypass valves. You can follow the steps below to find the solution. Turn off the power and close all the hot water faucets connected with the heater.

What are the error codes on Rinnai AC?

ERROR CODES ON RINNAI AC (Note: Most error codes do not have exact definitions, try to reset the unit if an error code displays) If the indicator lamps are flashing or the error codes appears in the window display or indoor unit: Examples of error or fault codes are E0, E1, E2, E5, P0, P1, P2, P6, F0, F1, and F2.

Where are the error codes on my Rinnai tankless water heater?

The previous nine error codes are stored in memory. To access these codes, hold the ON/OFF button for two seconds and simultaneously press the UP arrow. Have a different tankless water heater brand that needs troubleshooting?

Where can I get a Rinnai cooling solution?

Visit the official USA website RINNAI USA or for Australia visit RINNAI AU. For the Rinnai cooling solutions website in Australia visit RINNAI AU COOLING SOLUTIONS and for Rinnai document downloads for AC units (and more) in Australia visit RINNAI AU DOWNLOADS. Need some basic help with your AC?

Why is there an error code on my Rinnai Water Heater?

If your Rinnai displays an error code 05, you need to restart the water heater and open the hot water faucet. This code is not observed on all Rinnai water heaters. Measuring the resistance of the bypass flow control can help in determining the problem. If the error code persists, you may need to replace the bypass servo.

What does the error code 15 on a Rinnai mean?

Rinnai error code 15 is found on units with venturi switches. If there is an error code 15 on your Rinnai, inspect the venturi motor’s condition, and replace the gas valve assembly. Reset the unit by completely turning it off from the power supply. Rinnai error code 16 represents an overheating warning.

What to do if your Rinnai says error code 02?

The Rinnai error code 02 cannot be fixed by the user, and the only solution is to make a service call and have a certified technician inspect your Rinnai. If you live in an area with routine freezing winter temperatures, we’ve put together the article Maintaining Tankless Water Heaters in Freezing Temperatures.

What does the Rinnai error code 63 mean?

Rinnai error code 63 means there is a problem with the water flow and that it may have dropped below 1.3 GPM. Check if the water is running as normal, check all the filters, ensure there is no air bleeding and no air in the system, check the thermal bypass valve if installed.