Having trouble with your Rinnai hot water? We’ve made a simple guide to help you figure out error codes and issues. If you need expert help with your Rinnai hot water system in Adelaide, just contact ABA Plumbing & Gas hot water plumber today.

WHY AM I NOT GETTING ANY HOT WATER?

Electric Hot Water Heater:

• Check the power supply to your unit. Ensure the “hot water” switch is turned on.
• Inspect the fuse and circuit breakers on the switchboard; confirm they are switched on.

Gas Hot Water Heater:

• Verify that the gas supply is turned on at the meter.
• If yes, test another gas appliance and ignite it. Check if the flame remains lit.
• If everything is in order, the issue may be due to other factors.

SIGNS YOUR HOT WATER SYSTEM NEEDS REPAIRS:

• Your hot water appears brown in colour.
• Unusual sounds such as popping, gurgling, or bubbling are emanating from your hot water unit.
• The pilot light is not functioning.
• Water temperature is either excessively hot or cold.
• If your Rinnai unit is beeping, there may be a leak in the cylinder requiring immediate repair.
• Frequent occurrences of running out of hot water.
• Low hot water pressure issues.

If the troubleshooting steps do not resolve the problem, or if you encounter error codes on your Rinnai hot water system, contact ABA Plumbing & Gas for further assistance. Our technicians are ready to help diagnose and address any issues to ensure your hot water system operates efficiently. Your safety and satisfaction are our top priorities.

RINNAI HOT WATER ERROR CODES

If you encounter issues with your Rinnai Tankless Water Heater, refer to the error codes below for troubleshooting. For further assistance, contact ABA Plumbing & Gas.

ERROR CODES AND MEANINGS:

Error Code 02: No Burner Operation During Freeze Protection Mode.

Call ABA Plumbing & Gas for troubleshooting.

Error Code 03: Power Interruption During Bath Fill (Water will not flow when power returns).
Call ABA Plumbing & Gas for troubleshooting.
Turn off all hot water taps. Press ON/OFF twice.

Error Code 05: By-Pass Flow Control.
Call ABA Plumbing & Gas for troubleshooting.
Measure resistance values of the bypass flow control.
Replace the Bypass flow control device.

Error Code 10: Air Supply or Exhaust Blockage
Call ABA Plumbing & Gas for troubleshooting.
Check for blockages in the flue inlet or exhaust.
Check all vent components for proper connections.

Error Code 11: No Ignition (Heating Not Turning On)
Call ABA Plumbing & Gas for troubleshooting.
Check gas supply, propane tank (if applicable), and ensure proper grounding.

Error Code 12: Flame Failure – No Flame
Call ABA Plumbing & Gas for troubleshooting.
Check gas supply, flue outlet for obstructions, and propane tank (if applicable).

Error Code 14: The Thermal Fuse Has Been Activated
Call ABA Plumbing & Gas for troubleshooting.
Check for restrictions in air flow around the unit and vent terminal.

Error Code 15: Venturi Control
Call ABA Plumbing & Gas for troubleshooting.

Error Code 16: Over Temperature Warning (Safety Shutdown Because Unit is Too Hot)
Call ABA Plumbing & Gas for troubleshooting.
Check for restrictions in air flow around the unit and vent terminal.
Confirm fan motor is functioning correctly.

Error Code 17: Venturi Blockage
Call ABA Plumbing & Gas for troubleshooting.

Error Code 19: Electrical Grounding
Call ABA Plumbing & Gas for troubleshooting.

Error Code 21: Data Transfer Error
Call ABA Plumbing & Gas for troubleshooting.

Error Code 25: Condensate Pump (Accessory) Condense Trap is Full
Call ABA Plumbing & Gas for troubleshooting.

Error Code 31: Burner Sensor Error
Call ABA Plumbing & Gas for troubleshooting.
Measure the resistance of the sensor.
Replace sensor.

Error Code 32: Outgoing Water Temperature Sensor Fault
Call ABA Plumbing & Gas for troubleshooting.

Connect with Your Local Rinnai Hot Water Experts at ABA Plumbing & Gas!

If you’re facing issues with your Rinnai hot water unit, have questions about error codes, or need emergency plumbing and hot water repairs Adelaide services, reach out to us. Our dedicated team of 24/7 emergency hot water plumbers are ready to provide swift solutions with a quick turnaround.

For additional insights into Rinnai hot water systems and our services, explore the following resources:

https://www.abaplumbing.com.au/hotwater-repairs-adelaide/rinnai-hot-water/

Stay tuned for the second part of the Rinnai error code series, coming next month! We’ll continue to provide valuable insights and troubleshooting tips for a comprehensive understanding of your Rinnai hot water system.