Gas Heater Error Codes

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Rinnai Dynamo Error Codes

Rinnai Avenger Error Codes

Rinnai Enduro Error Codes

Equipped with self-diagnostic electronics, the Rinnai gas heaters will cease operation and indicate a two-digit fault code on the display screen in the event of a malfunction. Please consult the accompanying table for potential causes and recommended solutions.

Error Code	Probable Cause	Suggested Remedy
00	Mains power failure during operation	Press the ON/OFF button twice to reset heater.
03	Tilt switch activated	Ensure appliance is level & upright. Service required if repeated
10	Oxygen shortage	Clean filters. Ventilate room. Service required if repeated.
11	Ignition failure	Check gas supply is turned on, turn the heater OFF and then ON again. If the heater fails to ignite after 4 attempts a Service will be required.
12	Incomplete combustion	Check gas supply is turned on, turn the heater OFF and then ON again. If the heater fails to ignite after 4 attempts a Service will be required.
13	Combustion control faulty	Service required
14	Filter Blockage / Overheat	Clean filters. If error continues a service will be required.
16	Room overheat	Lower room temp to below 40°C.
18	Thermocouple output error	Lacking in gas supply or incorrect gas type or Service required.
31	Room temperature sensor faulty	Service required
32	Overheat temperature sensor faulty	Service required
33	Overheat temperature sensor faulty	Service required
34	Overheat temperature sensor faulty	Service required
62	Faulty fan motor	Service required
70	ON/OFF switch faulty	Service required
71	Solenoids faulty	Service required
72	Flame detection circuit fault	Service required
73	Communication error	Press the ON/OFF button twice to reset heater. Service required if repeated.

Paloma Gas Heater Error Codes

Rheem Gas Heater Error Codes

Rheem and Paloma gas heaters may display error codes on their control panels, indicating issues with the unit. These codes can help diagnose the problem and determine the necessary repairs. Familiarizing yourself with the most common error codes can save time and money in resolving heating issues.

Please consult the accompanying table for potential causes and recommended solutions for Paloma & Rheem Gas Heaters.

Code	Probable Cause	Suggest Remedy
03	Filter Damaged	Service Call
05	Air Filter is Abnormal	Clean air filters. Service call if repeated.
11	Ignition failure	Connect heater gas hose correctly. Check gas valve is fully open. Service call if repeated.
12	Flame failure	Clean air filter. Check gas valve is fully open. Open windows slightly or install ventilation points. Service call if repeated.
14	Thermo Switch Cut Off	Clean air filter. Remove obstruction. Service call if repeated.
16	Room Temperature Too High	Service call.
22	Anti-Tilt Switch Activated	Switch off heater and place on a flat surface.
31	Room Temperature Thermistor is Abnormal	Service call.
33	Overheat Thermistor is Abnormal	Service call.
62	Abnormal Fan Speed	Service call.
71	Gas Proportional Valve is Abnormal	Service call.
72	Thermocouple Circuit is Abnormal	Service call.
73	Gas Type Circuit is Abnormal	Service call.
76	Communication Error	Service call.

Rinnai Econoheat Problems

Rinnai Cosyglow Problems

Problem	Probable Cause	Suggested Remedy
No ignition or difficult to ignite	Incorrect gas pressure / Faulty igniter / Faulty safety device / Insufficient ventilation	Service required
Burner goes out	Dirty thermocouple / Faulty safety device	Service required
Noisy ignition	Incorrect gas pressure	Service required
Burner does not glow properly	Incorrect gas pressure	Service required
Flame or sooting from burner	Incorrect gas pressure	Service required
Strange noises	Incorrect gas pressure	Service required

Rinnai Granada Problems

Rinnai Titan Problems

Rinnai Graduate Problems

Rinnai Galaxie Problems

Problem	Probable Cause	Suggested Remedy
Heater won’t ignite	Gas filter blockage / Air in Hose	Service Required
Takes too long to warm the room	Gas filter blockage / Faulty Fan	Service Required
Smell of gas	Gas escape	Turn off gas. Service Required

Gas Heater Error Codes in Sydney

If your gas heater stops and shows an error code, don’t worry — gas heater error codes in Sydney are designed to keep your home safe. At Sydney Plumbing Hot Water & Gas, we see these codes as your system’s way of quickly detecting issues before they turn into major problems. When you understand what they mean, you can respond faster, prevent further damage, and keep your home warm and comfortable.

Understanding Gas Heater Error Codes in Sydney Homes

Today’s gas heaters have diagnostic capabilities. If a problem arises, the heater shuts down and displays a code to pinpoint the problem.

These codes help like you have a mechanic in the machine. It helps by showing you where the problem is, such as failure to ignite, overheat or insufficient airflow.

Common Gas Heater Error Codes You Must Know

Each manufacturer may have their own gas heater error codes in Sydney, but most issues fit into the same categories. These are some of the most common:

Ignition & Flame Errors

Code 11 / 12 – Ignition / flame out
Typically due to gas supply problems or ignition failure

Troubleshooting: Check the gas is on and re-ignite.

If it persists, call a service technician.

Oxygen & Ventilation Issues

Code 10 – Low oxygen level
Heater automatically turns off

Solution: Open windows/doors and change filters.

Overheating Problems

Code 14 / 16 – Overheat or restricted air flow
Usually due to clogged filters or blocked air flow

Solution: Clean filters and ensure airflow is not blocked.

Sensor & Component Faults

Codes 31, 32, 33 – Sensor faults
Includes temperature or overheating sensors

These typically require a service.

Fan & Motor Errors

Code 62 – Fan motor error
May affect ventilation and heating

Replacement or repairing of parts is needed

Communication & Control Errors

Code 73 / F0 – Communication/Control Error
Can be due to internal electronics

Restart could fix it, but if it happens again, it requires repair.

Why Do Gas Heater Error Codes Appear?

The main problems with gas heaters, with which they usually come down, are:

Gas supply or pressure problems
Blocked filters or airflow restrictions
Problems with sensors or other parts
Overheating or shutdown
Failure of ignition or presence of flame

Safety systems will automatically shut the unit down when they detect a problem – to avoid damage or injury.

What You Can Safely Check First

There are some checks you can do before contacting a technician:

Check that the gas is connected
Reboot the heater (reset)
Clean air filters
Make sure the heater is level
Open windows for ventilation

When the gas heater error code in Sydney keeps blinking, turn off the heater immediately. Then you must contact a gas heater technician.

When to Call a Gas Heater Technician?

Many problems are simple to tackle. However, some are even critical and may require the expertise of a technician.

Call a technician if:

The code reappears
The heater won’t light
You hear strange noises or smell an odour
The unit turns off and on
Something is wrong with the sensors or components

Gas appliances must only ever be repaired by a licensed professional – safety first.

Preventing Gas Heater Error Codes

Avoid faults by getting regular maintenance. It’s similar to servicing your car – regular maintenance stops it from breaking down.

Preventative steps:

Regular servicing (once a year by a qualified professional)
Cleaning filters regularly
Ensuring proper ventilation
Checking gas connections

This will help keep your heater running efficiently and prevent breakdowns.

Get The Fast & Reliable Help Now

Sydney Plumbing Hot Water can fix gas heater error codes in Sydney. Whether it be a faulty igniter or a broken sensor, our trained plumbers will come out to fix the issue. We get them back in running condition. Call now on 0402 487 444 or request a quote online!

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