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Hayward Pool Heater Bo Code

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Hayward Pool Heater Error Code Troubleshooting

Hayward Pool Heater LO Code? Watch This!!

When it comes to troubleshooting Hayward pool heaters, theres not too much difference between the problem solving process for other gas-fired heaters, made by Jandy, Pentair or Raypak. The components of a Hayward pool heater are also very similar to gas heaters made by other manufacturers.

To troubleshoot a gas-fired appliance, you have to think like a combustioneer. Gas fired pool heaters are very similar in operation to a home gas-fired furnace, with the main difference being that a pool heater heats water and a home furnace heats air. Big difference, but other than that, they operate pretty much the same.

Heres two charts for Hayward pool heater troubleshooting, the first is for millivolt heaters and the one further down is for electronic or digital heaters, those that give an error code on display.

HAYWARD MILLIVOLT POOL HEATER TROUBLESHOOTING GUIDE

Troubleshooting chart for Hayward Universal H-Series millivolt pool heaters, with standing pilot, models H150, H200, H250, H300, H350, H400

PROBLEM PRESENTING
REPLACE IGNITER

I hope that these charts are helpful in solving your Hayward pool heater problems. Pool heaters can be the most baffling piece of pool equipment, but if you think like a combustioneer, and consider the proper flow of gas, water and electric, youre sure to find a solution quickly.

How To Fix Hayward Heater Bo Code

If a remote thermostat controls your Hayward pool heater, then displaying the bo code on the heater is normal. In this case, you dont need to do anything to remove this code.

But if the remote thermostat is not controlling your Hayward heater, then you need to take this error code seriously. The automation system programmed in the heater can cause this error code. You need to get your Hayward heater out of bypass mode to solve it.

Keep reading this article to know what the Hayward heater bo code is, what causes it, how to put the heater in bo mode and get out of it, and the other Hayward heater common error codesdetails.

Refer To Your Models Manual For Error Codes

No troubleshooting method works better, like turning to your models manual. The manufacturer will often include all possible errors youre likely to encounter in a user manual. Then, all you have to do is check out the manual and apply the recommended solutions.

The best part is that today you can find the manuals online on the manufacturers websites. So, you shouldnt be worried if you dont have your hard copy. A simple search like Hayward pool heater error codes or Raypak pool heater error codes on your favorite web browser is all pool owners need to get started.

Here is the Hayward Pool Heater Manual.

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How To Put Hayward Heater In Bo Mode

Heres how you get your heater in Bypass Operation mode. You need to put the heater in STANDBY Mode to get the bO code on the heater display. Press the mode button once to get the heater in STANDBY Mode.

First, press and hold on to the Down key. Then, press and hold down the MODE key as well. You need to keep holding both the keys for about three seconds. At this point, the bO message should appear on the display.

Cause: Automation System Programmed In The Heater

You will encounter the Hayward gas pool heater bo code when your heater is wired or programmed into the automation system. This implies that the automation system is now controlling your Hayward heater.

Depending on your Hayward heaters model, your heaters automation system may run on due to the following reasons:

  • Programming the logic jumper
  • Flipping a dip switch

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What Does Bo Mean On Hayward Heater

The bo code in your Hayward heater means bypass operation. Through the bypass operation, the heater bypasses its internal temperature.

After the bypass operation, the remote can control the heaters set temperature. According to the manual, the Hayward heater error code bo is normal if externally controlled.

Hayward Pool Heater Error Codes

State-of-the-art Hayward Pool Heater has 13 distinctive error codes. They are bD, EE, CE, IO, Sb, SF, H5 or HS, HF, bO, LO, IF, AC, and AO. These Hayward Pool Heater Error codes indicate certain flaws in the heater.

However, while fixing the above-mentioned error codes, you will need to deal with your Hayward pool heater control board and fuse board. Its a must.

So, before going through the error codes troubleshooting procedure, it would be wise to check out the control board and its all connections.

Hopefully, you could already be acquainted with the control board. Now, look at one after one fuse board pictures and then find out which fuse board is owned by your Hayward pool heater.

Then be familiar with all the connections of your fuse board. It will definitely simplify your error codes troubleshooting job.

Now, go scrolling down and learn all the solutions to your Hayward Pool Heater errors and fix them by yourself.

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How-To Operate a Hayward H-Series Pool Heater

Heater must then be in Spa or Pool Mode for operation. The heater will fire when instructed by the external control. Control Configuration- Two wire Note: 104° maximum temperature. Step 1: Step 2: Step 3: Press the Mode button to place the heater in Standby Mode. Hold the Down Arrow and Mode buttons simultaneously for 3 seconds. A pool company I contacted verified it needs a temp sensor, as they put some kind of temporary device on it to test the theory and the pump worked like a charm. In any event, the company has not gotten back to us in 8 weeks, probably due to another part of the job that they were less than enthused about doing. Fill out a contact form to get a personalized response from our pool heating experts. Email: Resources. Back. Help Center. What size heater do I need? … Temperature sensor Failure Contact HAYWARD for service info. 888 Thermostat reset.

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    Steps to diagnose the CE Code. 1. Check whether your heater is powered to the correct rated voltage source. 2. Check for faulty wiring or loose connection. 3. Test for 24 VAC on the control module to check whether it is defective or not. 4. Check whether the.

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    + Hayward Pool Heater Error Codes

    Hayward Pool Heater Error Codes 1. Hayward Pool Heater Error Code bDSolution:2. Hayward Pool Heater Error Code EESolution:3. Hayward Pool Heater Error Code CESolution:4. Hayward Pool Heater Error Code IOSolution:5. Hayward Pool Heater Error Code SbSolution:6. Hayward Pool Heater Error Code SFSolution:7. Hayward Pool Heater Error Code H5/HSSolution:8. Hayward Pool Heater Error Code HFSolution:9. Hayward Pool Heater Error Code bOSolution:10. Hayward Pool Heater Error Code LOSolution:11. Hayward Pool Heater Error Code IFSolution:12. Hayward Pool Heater Error Code ACSolution:13. Hayward Pool Heater Error Code AOSolution:FAQ:How can you reset your Hayward Pool Heater?Why is my Hayward Pool Heater keep shutting off?What is the life expectancy of a pool heater?Wrapping Things Up!FAQsVideos

    State-of-the-art Hayward Pool Heater has 13 distinctive error codes. They are bD, EE, CE, IO, Sb, SF, H5 or HS, HF, bO, LO, IF, AC, and AO. These Hayward Pool Heater Error codes indicate certain flaws in the heater.

    However, while fixing the above-mentioned error codes, you will need to deal with your Hayward pool heater control board and fuse board. Its a must.

    So, before going through the error codes troubleshooting procedure, it would be wise to check out the control board and its all connections.

    Then be familiar with all the connections of your fuse board. It will definitely simplify your error codes troubleshooting job.

    Other Common Hayward Pool Heater Codes

    There are at least 14 error codes in most Hayward pool heater models. We will explore the most frequent errors that users suffer within this section. However, if you need to take a detailed look at all the error codes and how to solve them simply, read our article on Hayward pool heater error codes.

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    OR CORROSION. SENSOR DEFECTIVEREPLACE TEMPERATURE SENSOR HS OVERHEATING POOL WATER TEMP > 104° VERIFY REMOTE THERMOSTAT SET POINT CHECK WATER FLOW VERIFY THAT WATER FLOW RATE IS > 25 GPM MINIMUM HF FLAME SENSE FAULT FLAME SENSE FAILURE REPLACE IGNITER I hope that these charts are helpful in solving your Hayward. xebmw.xyz. Hayward In Ground Pool /Spa Gas Heaters User Manual – Original PDF. February 19, 2021. February 28, 2021 Posted in. Hayward.

    Follow the easy steps below to put your Haywardheater in bo mode. For placing your Haywardheater in Standby Mode, press the heater’s Mode button. Simultaneously hold the mode buttons and down arrows. Hold both these buttons for 3 seconds to do the Bypass Operation. After 3 seconds, your Haywardheater’s display will show the “bo” message. Heater Replacement. This series of product cross reference charts is intended to help you find the closest suggested Hayward replacement for other manufacturers equipment. Recommended replacement product may not be an exact feature match – they may include enhancements. Please review the product literature or talk to your pool professional.

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    How To Fix The Hayward Pool Heater Lo Code

    A Hayward LO code is a limit string open error that occurs when any of the safety circuits on your Hayward pool heater opens. This forces the heater to shut down and go into lockdown to protect your whole equipment from damage.

    A LO code on a Hayward heater can be caused by any of the following: a faulty water pressure switch, a faulty vent pressure switch, a faulty temperature limit switch faulty, or a faulty Exhaust gas temperature limit.

    To clear the LO code, ensure to fix the wiring on the limit switches and any other issues to do with the limit switches of your heater. Besides that, youll need to set the correct water pressure setting. That is if your heater is installed below or above the water levels of your pool or spa.

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    Hayward Heater Lo Code

    The Hayward pool heater LO error code is a result of several issues. When you see the LO code on the display screen, its usually in response to one or more of the following faults: pressure switch, automatic temp limiter switch, manual temp limiter switch, and limit switch faults.

    Pressure Switch Fault

    There are multiple ways to diagnose the pressure switch fault. Start by verifying that the pump is running. If its not, please turn it on. If this doesnt work, proceed to check switch wiring and connections. In particular, look for kink or rodent damages. Youll also want to check terminals for breakage or corrosion.

    You can also diagnose the pressure switch fault by measuring switch continuity. Start by removing the wires, then measure the OHMS with the pool pump on. If its closed, the switch is okay. If its open, reconnect the wires and proceed.

    Another way to diagnose the pressure switch fault is by checking the water flow. First, ensure the filter and pool pump baskets are clean and no blockage in the impeller. If you have a dirty filter and pool pump baskets, youll need to clean them. Also, unblock the impeller if theres a blockage.

    Adjusting the pressure switch can also work when diagnosing the pressure switch fault. So, turn the adjustment screw 1 on clockwise to see if the LO error code disappears. Lastly, the fault could be a result of a defective pressure switch. In this case, replacing it is the best solution.

    Automatic or Manual Temp Limiter Switch Fault

    Chart For Hayward Heater Bo Code Causes And Possible Fixes

    BO CODE CAUSES
    Control module is in bypass operation Press and hold the down button for 3s
    Flipped dip switch Put it in the off position

    Before you start diagnosing your heater, take a look at the back of the control module. There are some dip switches. These switches have an on or off position.

    Check switch number 2 and make sure it is in the off position. The on position is for a remote thermostat. On the on position, your heater will display the BO code.

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    Hayward Pool Heater Error Code Ao

    The AO code is basically the opposite of AC code. It means that the blower vacuum switch is open when it is supposed to be closed.

    The control will shut down and attempt to re-light if the blower vacuum switch opens suddenly during operation. The device will go into lockout mode with the blower operating if the switch is not closed after the blower starts. When the error is repaired, the system automatically resets.

    What Does A Thermistor Do In A Pool Heater

    Hayward Gas Heater “CE” Code

    A thermistor in your Hayward pool heater checks the inlet water temperature. If the return water temperature is less than what is set on the operation control, a thermistor will send a message to the control module to start a heating cycle through a series of safety interlocks.

    Other Hayward Heater Error Codes:

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    How Do I Reset My Unit

    The exact steps for clearing a pool heater ignition lockout will vary depending on the brand and the model. However, the general steps are:

    • Reset the circuit breaker for the pool heater
    • Put the system in standby using the control panel
    • Check for an error code
    • Reset your desired maximum pool temperature using the Up & Down buttons
    • Turn the filter system back on

    If, after completing these steps, your pool heater indicator light flashes slowly, the problem is solved. If not, you need to get professional pool heater repair.

    What Happens If Your Heat Exchanger Is Cracked

    If youre lucky, your furnace will stop working, but most of the time, it will continue to operate with a crack, enabling carbon monoxide to flow into your home. No heat in the winter, recurring flu-like symptoms, or a blaring carbon monoxide alarm is the only signals of a malfunctioning heat exchanger.

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    Ac Error Code: Blower Switch Open

    This happens when the vacuum switch on your blower is detected as closed when it should be open. If the vacuum switch is closed before the blower is turned on, the machine will not switch on the blower. The error will disappear once youve opened the switch, and your unit will perform an automated reset.

    How To Diagnose Hayward Heater Sf Code

    1. Check for faulty wiring in your sensor connection. Corroded sensor wiring could trigger the SF code. Inspect Temperature Sensor wire. Make sure the sensor is plugged into the ICB securely. Otherwise, if the sensor wiring connections seem to have no problem, go to the next step.

    2. Measure resistance on the temperature sensor

    3. Check the control board and replace it if necessary

    4. Find out if there is leaking water to sensor wiring

    5. Check in the pressure assembly for corroded copper piping

    6. Ensure that you test your thermistors for any issues

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    Common Pool Heater Error Codes Explained + How To Fix

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    Download our free Pool Maintenance Starter Kit and learn how to manage your pool affordably and efficiently.

    Download our free Pool Maintenance Starter Kit and learn how to manage your pool affordably and efficiently.

    A pool heater makes swimming possible in the cooler months of the year. So you can use one to start swimming sooner or extend it. But heres the kicker! Like all machines, pool heaters can fail or malfunction, and during that time, using the pool can be daunting.

    If you run a commercial pool, this will translate to lost revenue. And if you have a domestic swimming pool, it would mean no fun for you, which can be devastating.

    The best way to solve pool heater errors is to know where the problem is coming from. The good news is, you dont have to stress over it when you have pool heater error codes.

    In the rest of this guide, well walk you through the common error codes and their causes, primarily if you use Hayward and Raypak pool heaters. So, lets get to it!

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