If you lot accept a Rinnai tankless h2o heater, kudos to you lot, you have fabricated one of the wisest investments of your life. You should expect dependable operation and unlimited hot h2o from the unit of measurement for more than than 20 years.
Tankless devices require far less maintenance and servicing than tanked heaters, but it is still essential to maintain them properly. When they accept problems, it is mandatory to know how to reset Rinnai tankless h2o heater.
How To Reset Rinnai Tankless H2o Heater?
Having troubles with your heater tin can be very frustrating, especially when so many people live in your house. If all the warm h2o fixtures are linked to the same unit, information technology becomes more challenging for people to manage their twenty-four hour period.
When you run into any troubles with your appliance, an fault code volition appear on the digital display screen that volition exhibit what the issue with your device is. The error code enables you to detect the problem and learn an immediate solution.
Our detailed guide on troubleshooting Rinnai tankless water heater will certainly assist you if y'all are experiencing such problems.
Error Codes Of Rinnai Rankles Water Heater
Error Code 2
This code means that the burner is not functioning during freeze protection mode.
Solution
You can't fix it on your ain, so it highly recommended yous call a professional.
Mistake Code 3
It shows that power was interrupted during the bathroom fill. When the power returns, the water will not flow.
Solution
Get-go of all, plow off all the outlets attached to the unit in your residence. The water should not menstruation out.
Now, go to the temperature controller and press the On/Off button twice. It will allow the controller to how to reset Rinnai tankless water heater bleed fully. Nevertheless, if the code comes back, you need to change the PC board.
Error Lawmaking 5
It means that there is some upshot with the bypass valve.
Solution
Shut off the power supply to the heater and plow off all the fixtures connected to the device. Make sure the water is not flowing.
Again, turn on the power and open the hot water faucet to fire up the unit. Once it is fired up, the error code will disappear.
Notwithstanding, if it does not go away, the bypass valve needs replacement.
Error Code 7
This code indicates that at that place is some effect with the h2o circulation flow rate. The trouble occurs when the circulation menses rate is dropped below 2.i gallons per minute.
Solution
Information technology means that the air supply or frazzle is blocked. The air supply issue can pb the apparatus to severe damages.
Error Lawmaking x
It means that the air supply or exhaust is blocked. The air supply issue can lead the appliance to severe amercement.
Solution
First of all, check the vent systems for any blockage and clearance problems. Make sure to check for other troubles that can prevent proper ventilation.
Besides, inspect the outside venting organization to discover out if there is whatever leakage or obstruction.
If you tin't find or fix the issue, don't hesitate to telephone call the proficient.
Error Code 11
Rinnai tankless water heater code 11 ways that there is no ignition in the heater. This issue is linked with the gas and gas lines, so information technology is ameliorate to phone call a plumber.
Solution
Audit the valve and the water heater, gas meter, or cylinder. All the fixtures should be shut off, simply the ability should be on then that you can check the deflection.
Now, assess the igniters and find out if they are operating correctly or not.
If information technology'due south performance perfectly, but you are still non getting hot water, call the professional.
Fault Lawmaking 12
This error shows that in that location might be a flame or electrical failure. Over again, this issue is associated with gas and gas lines. That's why; first diagnose the issue before going to the solution.
Solution
Bank check if the flame is on through the window box of the device. If you tin come across a flame in the burner box, information technology is obvious that it is a flame failure. Yet, if there is no flame, it is an electric failure.
A curt circuit within the PC lath can exist the primary reason for an electrical failure. In this situation, plow off the power to the auto, unscrew the excursion, and then await for patches and cantankerous-connexion.
If you can't assess it properly, you tin can phone call the specialist.
Error Code thirteen
This code indicates that in that location is some result with combustion.
Solution
Audit for the B-vent materials and bank check if they are correctly deployed. And then, assess the rest of the venting systems to know if they are installed correctly.
The dip switches should also be checked according to the distance. Test the inlet gas supply and fire pressures.
One time you lot are washed with the inspection, actuate the heater over again.
Mistake Code 14
It shows that there is something wrong with the thermal fuse.
Solution
For troubleshooting Rinnai tankless water heater, the bi-metal switches fixed to the heat exchanger's peak should be checked.
Give some time to the unit to cool before resetting it.
Next, appraise the Thermo fuses that are present around the heat exchanger. If it is not operating, the switches should be replaced.
To solve this outcome, the heater exchanger volition exist removed, and thermal fuses will be changed. If yous are confident to handle this task, you are good to get; otherwise, call a plumber for help.
Error Code xvi
It is not an error but an over-temperature alert. It indicates that the unit has automatically turned off to safeguard itself from damage.
Solution
Cheque the air filter to find out if it is clean. If not, clear all the blockages in the filter.
And then, remove all the clogs and blockages within the heater and too look for their positions.
Assess if the venting system is obstructed; if yep, articulate it.
Error Code 19
This lawmaking shows that an electrical short exists in the wiring. This problem may occur considering of a failure in electrical grounding.
Solution
If y'all don't know how to reset Rinnai tankless water heater, we recommend you call an expert. Until he arrives, shut off the heater, and as well closes the warm h2o outlets.
Error Code 25
It shows various problems, but the common 1 is of condensation trap.
Solution
Offset, close off the power and close the hot water fixtures. And then, look for whatever blocks in the drain line. For this purpose, y'all will have to open the cabinet. And then, inspect the condensate tank thoroughly to clear all the blockages.
Next, again check the drain line to find out the air gap. And so, inspect the sensor wiring harness to check for the connections betwixt the sensors and the PC board. If the error still exists, the sensor may need replacement.
Mistake Code 32
It might be the problem of groundwater temperature. This lawmaking also shows up when the sensors are faulty.
Solution
When this error code appears, information technology rapidly shut off the ability to foreclose harm to the heater's trunk.
Now, open up the machine and assess the groundwater temperature. If you can't check the sensors, telephone call a professional for sensor replacement.
Mistake Code 33
Information technology means that the estrus exchanger is not working properly.
Solution
Turn off the power and exam the connections that exist inside the thermistor.
Then, the readings should be checked from the resistance to confirm the specifications are skillful. Now, information technology's fourth dimension to check for the scale accumulation. Remove and articulate the rust in the thermistor.
Yous can supervene upon the thermistor if information technology is even so not functioning.
Error Code 38
This code ways that something is wrong with the CO sensor abnormality.
Solution
4-inch B-vent materials and venting systems should be checked to know if they are installed properly.
And so, the fire pressures should be tested, and low and high burn down pressures should exist measured.
In the end, dip switches should exist inspected that are nowadays in the circuit. Now, modify the PC lath and CO sensor.
Mistake Code 41
This code lets you know that the freeze protection sensors have a problem.
Solution
First, assess the circuit and detect out broken and damaged wirings. Then, come across if the sensor is enclosed with insulation or not.
Error Lawmaking 52
This error occurs in regions with loftier air pressure. This error is linked with the modulating solenoid valve, or maybe the POV valve is non working well.
Solution
Initially, the POV valve and the resistance readings should be assessed. If they take any bug, they should be repaired. Otherwise, the input voltage to the valve should be checked.
If the mistake still exists, the PC board or valve should exist replaced. Yet, before replacing them, consult with a professional.
Error Code 61
When this code appears on the appliance display screen, it indicates that there is some problem with the combustion fan motor.
Solution
First of all, close off the power and also, close the hot h2o fixtures. Make sure there is no air force per unit area.
Then, test the PC board to wait for cleaved or damaged wires or loose connections.
In the next footstep, inspect the fan motor and remove it. By using separate power, try to run the fan motor. If the engine runs, there may exist trouble with the housing.
You will take to supplant the fan wheel and housing in such a state of affairs if there are no blockages. If you don't know how to reset Rinnai tankless h2o heater, rely on the practiced service.
Error Code 65
This error code exhibits that the water flow servo has some problems. When this code shows up, troubleshooting Rinnai tankless water heater or hard reset should exist performed.
Solution
All the wiring connections on the circuit lath should be assessed. Also, grab data about the water flow rate. And then, shut off the power and wait for a few moments before turning information technology on. At present, the code should vanish, merely if information technology still exists, call a plumber for help.
Mistake Lawmaking 72
Information technology means that the flame sensing device has some bug. It too appears when the internal temp is high and flammable.
Solution
Initially, test the wiring harness from the flame rods and look for broken or loose connections.
At present, assess the flame rod when the heater fires. If you lot meet whatever flame, shut off the unit instantly, remove the flame rod, and then again, search for the carbon contents in the machine and clear them.
Ultimately, inspect the burner to detect out rust and remove it.
As well 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
Turn off the power quickly and also keep the warm water fixtures closed. Now, test the estrus exchanger and all the internal piping. If in that location are drops at the device'due south base of operations, they bespeak that the heater has an internal outcome.
In such a situation, the automobile should be pulled downwardly, and the inner cabinet should be assessed to notice out if it is wholly wet or not.
Finally, the detail internal pipe should be changed, and the leak sensor should be dried off. All the water in the heater should be flushed out, and then the unit should be restarted.
Fault Lawmaking LC0 To LC9
These codes indicate the corporeality of limescale nowadays in the tankless water heater. The higher rating shows that a college amount of limescale exists in the device.
Solution
Commencement of all, actuate all the hot water fixtures to affluent out all the water stored in the car.
Then, get to know how to reset Rinnai tankless water heater bleed for resetting the appliance, and the code will exist removed.
However, if the error is still present, you will have to contact a professional so that he can audit the filter for removing the limescale.
Determination:
These days, smart tankless h2o heating devices are dominating commercial and residential properties. Notwithstanding, just like whatsoever other appliance, they are also equipped with advanced engineering science to encounter troubles. Thankfully, they accept fault codes to interpret them to observe out the possible solutions easily. With our guide's assistance on how to reset the Rinnai tankless water heater, things will get sorted for you. Well, we always recommend you to rely on professional services if you wish to have a prolonged life from your appliance.
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