If y'all have a Rinnai tankless h2o heater, kudos to y'all, you lot have made one of the wisest investments of your life. You should expect dependable functioning and unlimited hot water from the unit for more than xx years.
Tankless devices require far less maintenance and servicing than tanked heaters, but it is still essential to maintain them properly. When they have problems, information technology is mandatory to know how to reset Rinnai tankless water heater.
How To Reset Rinnai Tankless H2o Heater?
Having troubles with your heater can be very frustrating, especially when then many people live in your house. If all the warm h2o fixtures are linked to the same unit, it becomes more than challenging for people to manage their 24-hour interval.
When you lot meet whatsoever troubles with your appliance, an mistake lawmaking will appear on the digital brandish screen that will exhibit what the result with your device is. The mistake lawmaking enables you to detect the problem and acquire an firsthand solution.
Our detailed guide on troubleshooting Rinnai tankless h2o heater will certainly assist you if y'all are experiencing such bug.
Error Codes Of Rinnai Rankles H2o Heater
Error Lawmaking ii
This lawmaking means that the burner is not functioning during freeze protection style.
Solution
Yous tin't gear up information technology on your own, so information technology highly recommended yous call a professional.
Mistake Code 3
Information technology shows that power was interrupted during the bath fill up. When the ability returns, the water will not catamenia.
Solution
Start of all, turn off all the outlets fastened to the unit of measurement in your residence. The h2o should non menses out.
Now, go to the temperature controller and press the On/Off button twice. It will permit the controller to how to reset Rinnai tankless water heater bleed fully. Still, if the code comes back, you need to change the PC lath.
Fault Code five
It means that there is some event with the featherbed valve.
Solution
Shut off the power supply to the heater and turn off all the fixtures continued to the device. Make sure the water is not flowing.
Once more, turn on the power and open up the hot water faucet to fire up the unit. Once it is fired up, the error code will disappear.
However, if it does non become away, the bypass valve needs replacement.
Error Code 7
This code indicates that there is some issue with the water circulation period rate. The problem occurs when the circulation menstruation rate is dropped beneath 2.1 gallons per minute.
Solution
It ways that the air supply or exhaust is blocked. The air supply result can lead the apparatus to severe damages.
Fault Code ten
It means that the air supply or exhaust is blocked. The air supply issue tin lead the appliance to severe damages.
Solution
Beginning of all, check the vent systems for any blockage and clearance problems. Brand sure to cheque for other troubles that tin foreclose proper ventilation.
Also, inspect the outside venting system to find out if in that location is any leakage or obstacle.
If y'all can't find or gear up the upshot, don't hesitate to call the expert.
Error Code 11
Rinnai tankless water heater code 11 ways that there is no ignition in the heater. This upshot is linked with the gas and gas lines, so it is better to call a plumber.
Solution
Inspect the valve and the h2o heater, gas meter, or cylinder. All the fixtures should be close off, only the power should be on and so that you can check the deflection.
At present, assess the igniters and find out if they are operating correctly or non.
If information technology's functioning perfectly, only y'all are nonetheless not getting hot h2o, telephone call the professional.
Error Lawmaking 12
This error shows that there might be a flame or electrical failure. Again, this upshot is associated with gas and gas lines. That's why; offset diagnose the outcome before going to the solution.
Solution
Check if the flame is on through the window box of the device. If you can see a flame in the burner box, it is obvious that it is a flame failure. However, if at that place is no flame, it is an electrical failure.
A short circuit within the PC board can be the chief reason for an electrical failure. In this state of affairs, turn off the power to the machine, unscrew the circuit, and then look for patches and cross-connection.
If you can't assess it properly, you can call the specialist.
Fault Code 13
This code indicates that there is some outcome with combustion.
Solution
Inspect for the B-vent materials and check if they are correctly deployed. Then, appraise the balance of the venting systems to know if they are installed correctly.
The dip switches should also be checked co-ordinate to the altitude. Exam the inlet gas supply and fire pressures.
Once you are done with the inspection, activate the heater once again.
Error Code fourteen
It shows that at that place is something wrong with the thermal fuse.
Solution
For troubleshooting Rinnai tankless water heater, the bi-metal switches stock-still to the heat exchanger's height should be checked.
Give some fourth dimension to the unit to cool before resetting it.
Adjacent, assess the Thermo fuses that are present around the estrus exchanger. If information technology is not operating, the switches should exist replaced.
To solve this issue, the heater exchanger will be removed, and thermal fuses will exist inverse. If you are confident to handle this job, y'all are expert to get; otherwise, call a plumber for aid.
Fault Lawmaking 16
It is not an mistake just an over-temperature alert. It indicates that the unit has automatically turned off to safeguard itself from damage.
Solution
Check the air filter to discover out if it is clean. If not, clear all the blockages in the filter.
Then, remove all the clogs and blockages inside the heater and also look for their positions.
Assess if the venting system is obstructed; if aye, clear information technology.
Error Code 19
This code shows that an electrical brusque exists in the wiring. This trouble may occur because of a failure in electrical grounding.
Solution
If y'all don't know how to reset Rinnai tankless water heater, nosotros recommend you lot call an skilful. Until he arrives, close off the heater, and also closes the warm water outlets.
Error Code 25
It shows diverse problems, but the mutual one is of condensation trap.
Solution
First, close off the power and shut the hot water fixtures. And then, look for any blocks in the bleed line. For this purpose, y'all will have to open the cabinet. So, inspect the condensate tank thoroughly to articulate all the blockages.
Next, again check the bleed line to find out the air gap. Then, audit the sensor wiring harness to bank check for the connections between the sensors and the PC board. If the mistake still exists, the sensor may need replacement.
Error Code 32
It might exist the trouble of groundwater temperature. This code also shows upward when the sensors are faulty.
Solution
When this fault lawmaking appears, information technology rapidly close off the power to prevent damage to the heater'southward body.
Now, open up the machine and assess the groundwater temperature. If yous can't cheque the sensors, phone call a professional person for sensor replacement.
Error Code 33
It means that the heat exchanger is not working properly.
Solution
Turn off the power and examination the connections that be inside the thermistor.
Then, the readings should exist checked from the resistance to confirm the specifications are good. Now, it'southward time to check for the scale accumulation. Remove and articulate the rust in the thermistor.
You can replace the thermistor if information technology is still not operation.
Error Code 38
This code ways that something is wrong with the CO sensor aberration.
Solution
4-inch B-vent materials and venting systems should exist checked to know if they are installed properly.
And then, the burn down pressures should be tested, and low and loftier burn down pressures should be measured.
In the terminate, dip switches should be inspected that are nowadays in the circuit. At present, change the PC board and CO sensor.
Fault Code 41
This code lets you lot know that the freeze protection sensors accept a trouble.
Solution
Showtime, assess the circuit and observe out broken and damaged wirings. Then, see if the sensor is enclosed with insulation or non.
Error Code 52
This mistake occurs in regions with loftier air pressure. This error is linked with the modulating solenoid valve, or perhaps the POV valve is non working well.
Solution
Initially, the POV valve and the resistance readings should exist assessed. If they have any problems, they should be repaired. Otherwise, the input voltage to the valve should be checked.
If the error still exists, the PC board or valve should exist replaced. However, before replacing them, consult with a professional.
Error Code 61
When this code appears on the appliance display screen, information technology indicates that in that location is some problem with the combustion fan motor.
Solution
First of all, close off the power and likewise, close the hot h2o fixtures. Make sure at that place is no air pressure level.
Then, exam the PC lath to wait for broken or damaged wires or loose connections.
In the next step, inspect the fan motor and remove it. Past using separate power, try to run the fan motor. If the engine runs, there may be trouble with the housing.
You will have to supercede the fan wheel and housing in such a situation if there are no blockages. If you don't know how to reset Rinnai tankless water heater, rely on the expert service.
Fault Code 65
This error code exhibits that the water flow servo has some issues. When this code shows up, troubleshooting Rinnai tankless water heater or hard reset should be performed.
Solution
All the wiring connections on the circuit board should be assessed. Too, catch information about the water flow rate. Then, shut off the power and expect for a few moments before turning it on. Now, the code should vanish, simply if it still exists, call a plumber for help.
Error Code 72
It means that the flame sensing device has some issues. Information technology also appears when the internal temp is high and flammable.
Solution
Initially, exam the wiring harness from the flame rods and look for cleaved or loose connections.
Now, assess the flame rod when the heater fires. If you see any flame, shut off the unit instantly, remove the flame rod, and and so again, search for the carbon contents in the machine and clear them.
Ultimately, inspect the burner to find out rust and remove it.
Also Read: How to Flush Rinnai Tankless Water Heater
Error Code 79
Rinnai tankless water heater beeping 79 is a severe problem that should be addressed immediately.
Solution
Plough off the power quickly and too keep the warm h2o fixtures closed. Now, test the heat exchanger and all the internal piping. If at that place are drops at the device's base, they indicate that the heater has an internal issue.
In such a state of affairs, the machine should exist pulled down, and the inner cabinet should be assessed to find out if information technology is wholly wet or not.
Finally, the particular internal pipe should exist changed, and the leak sensor should be dried off. All the water in the heater should be flushed out, so the unit should be restarted.
Error Code LC0 To LC9
These codes signal the corporeality of limescale present in the tankless water heater. The college rating shows that a higher amount of limescale exists in the device.
Solution
Get-go of all, actuate all the hot water fixtures to flush out all the h2o stored in the machine.
Then, go to know how to reset Rinnai tankless water heater bleed for resetting the appliance, and the lawmaking will be removed.
However, if the error is still nowadays, you lot will have to contact a professional so that he can inspect the filter for removing the limescale.
Conclusion:
These days, smart tankless water heating devices are dominating commercial and residential properties. Yet, just like whatsoever other appliance, they are also equipped with advanced engineering science to encounter troubles. Thankfully, they have mistake codes to interpret them to discover out the possible solutions hands. With our guide's assistance on how to reset the Rinnai tankless water heater, things volition become sorted for yous. Well, we ever recommend you to rely on professional services if you wish to have a prolonged life from your appliance.
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