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Rinnai is an innovative hot water system supplier in Australia. With its creative-processes, smart systems, and convenient execution, Rinnai has been serving Australians for more than 40 years now. The hot water systems provided by Rinnai have low emission, high-efficiency, and high reliability.
When your hot water tap is suddenly dispensing cold water and you are shocked with what has happened, contact us for services. Below we have discussed some troubleshooting tips that you can try before contacting us.
my Rinnai Hot Water System have no hot water?
According to the type of your hot water unit, check out different ways to troubleshoot your system.
I have a Gas Water Heater
- Ensure the power supply with any other appliance.
- Ensure that the gas supply is appropriate. Use a stovetop to see if it is working or not.
- Test the flow of water by opening the tap.
- Clean and replace filters of the hot water unit.
- Take a look at the error codes and match them with the user manual guide.
I have an Electric / Solar Hot water System
- Check if the circuit breaker has tripped. Check and ensure.
- 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?
The Rinnai hot water systems have the ability to self-diagnose. If there’s an error in the system, you would be able to monitor it from your digital monitor. Check the error code and match it with the list of Rinnai error codes to understand the issue.
| Error Code | Description | Remedy |
|---|---|---|
| – | Noticeable reduction in water flow | Inlet water filter needs to be cleaned – Service call. |
| 03 | Power interruption during Bath fill (Water will not flow on power reinstatement) | Turn off all hot water taps Press On/Off twice |
| 10 | Air intake or flue blocked | Service Call |
| 11 | No ignition / No gas supply | Check gas is turned on at water heater and gas meter or cylinder |
| 12 | Flame Failure / Low gas flow | Check gas is turned on at the water heater and gas meter or cylinder. Check there are no obstructions to the flue outlet |
| 14 | Remaining Flame Safety Device | Service Call |
| 16 | Over Temperature Warning | Service Call |
| 19 | Electrical Earth Check Fault | Service Call |
| 21 | Incorrect Dipswitch Setting Detected | Installer to check Dipswitch Settings / Service Call |
| 32 | Outgoing Water Temperature Sensor Fault | Service Call |
| 41 | Ambient Temperature Sensor Fault | Service Call |
| 52 | Gas Modulating Valve Fault | Service Call |
| 61 | Combustion Fan Fault | Service Call |
| 65 | Water Flow Control Fault (Does not stop flow properly) | Service Call |
| 70 | Microprocessor Fault | Service Call |
| 71 | Microprocessor Fault | Service Call |
| 72 | Microprocessor Fault | Service Call |
| [X] | Wireless water controller (when fitted) is ‘Out of Range’ due to the distance from transceiver or an obstruction | Move wireless water controller or transceiver or remove the obstruction |
Why is my Rinnai Water so Hot?
Cold is still okay. But, when your hot water unit is dispensing extremely hot water, this can be dangerous. So, immediately check the thermostat or regulator to see if it is set to high. If you are unable to set the right temperature on the thermostat after multiple combinations, don’t hesitate to call us.
When nothing works on your Rinnai hot water system, you can call us for installation, maintenance, repair, and service of your hot water system. Contact us for hot water service in Sydney.
