Hayward pool heater lo

Here you’ll gain easy access to information regarding your favorite Hayward products. Whether you are looking for a Quick Reference Guide, troubleshooting steps, or simply wish to view one of our product support videos, you have come to the right place.

Hayward pool heater lo. Follow the included steps to place the heater in bypass mode for external control. Step 1. Press the ‘MENU ICON’ button to place the heater in ‘STANDBY’ mode. Step. The ‘SPA’ indicator should illuminate & the display should show the Max Temp set point. Step 2. Press and hold the minus & plus buttons for 3 seconds.

Available in 150,000, 200,000, 250, 000, and 400,000 BTUs, the Universal H-Series heater can raise the temperature of an 800-gallon pool 30 degrees in less than an hour—you’ll feel the benefits the moment you step into the water. The Hayward Universal H-Series Low NOx can be added to inground pool kits sold by Pool Warehouse!

Ensure the proper installation of the main circuit board within the heater. Check the short ground and high voltage issue and take steps to prevent it. 5. Circuit Board’s Faulty Fuse. Another factor responsible for displaying the Hayward pool heater ce code is the faulty or blown fuse in the heater’s circuit board.May 25, 2022 · 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 keys for about three seconds. At this point, the “bO” message should appear ... Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ...Hayward makes a range of pool filters, and only some of these filters require backwashing. The filters that do require backwashing are often fitted with the Hayward Vari-Flo multip...Hayward H400FDP Pdf User Manuals. View online or download Hayward H400FDP Owner's Manual, Troubleshooting Manual ... POOL AND SPA/HOT TUB HEATERS. Brand: Hayward | Category: Heater ... LO" Code. 46. Pressure Switch Adjustment. 49. IF" Code. 52. AC" Code. 57. AO" Code. 58. Heat Exchanger: Flow Requirements. 61.

Many choose Hayward pool heaters to keep their pool water comfortable and warm. However, sometimes these heaters can experience issues that require a reset. To reset your Hayward pool heater, you’ll need to turn off the power, wait a few minutes, and then turn it back on again. This simple process can resolve many common […]Hayward - Inground Pool Heater - Universal H-Series - Lo-Nox. Categories. Above Ground Pool Packages; Above Ground Pool Liners . Above Ground Pool Liner Accessories ; ... Lo-Nox - Inground Pool …If you own a pool, you understand the importance of a properly functioning pool pump. A Hayward pool pump is a popular choice for many pool owners due to its efficiency and reliabi...Pool Volume cu.m: 84: Pool volume litrs: 84000: Pool Volume USGallons: 22176: Turnover time hr: 6: Flow rate required gpm : Flow rate required cu.m/h : Water Temperature Required deg C : Air temperature around pool deg C : Temperature difference deg C : Heater required kW : Heater required BTU/hr : Water weight kg : Water weight Lbs : …Hayward Universal H-Series H350 Low NOx Pool Heater, 350,000 BTU, Natural Gas - EXPERT LINE NLA. Out of Stock. Only %1 left. Brand. Hayward. MPN. H350FDN. SKU. 4075. Product Overview. Hayward H-series Pool Heater provides an energy-efficient and environmentally responsible low NOx performance solution for pools and spas!Answering a viewers request on how to add and program a newly installed heater to a Hayward OmniLogic Automation system.Answering a viewers request on how to add and program a newly installed heater to a Hayward OmniLogic Automation system.

Aug 8, 2021 · NJ. Aug 7, 2021. #1. Hello, I have a H150FDN pool heater. It's worked all summer so far, but last week I noticed that it would turn on for a few minutes then turn off and show Lo. The filter is clean and the output is strong. I ordered a new pressure switch, but in the meantime I took the two wires that connect to the switch and made a jumper ... Apr 3, 2023 · Many choose Hayward pool heaters to keep their pool water comfortable and warm. However, sometimes these heaters can experience issues that require a reset. To reset your Hayward pool heater, you’ll need to turn off the power, wait a few minutes, and then turn it back on again. This simple process can resolve many common […] Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, …Most Pentair & Hayward heaters come standard as Low NOx. Low NOx is required for 5 counties in Southern California only, and for all commercial heaters in Texas only. ... Since some state laws mandate a Lo-Nox pool heater system, it’s important to be aware of your state health codes. For example, Lo-NOx is required for 5 counties in Southern ...View and Download Hayward HC Series troubleshooting manual ... The default Max temp set points are 90ºF (Pool) 104ºF (Spa). When setting the max temp lock-out set point, the LEDs & display ... may relate to water flow. Verify the pump is running & adequate water is flowing through heater. “LO” is NORMAL when the pump is turned off or ...The LO code on a Hayward heater means Limit Open, where one of the limit switches is not closing to complete the circuit. To clear the LO code, fix or replace the wiring on the limit switches and any other issues with your heater’s limit switch, and you may need to do a backwash to clear out any obstructions.

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Examples: Gas heater and heat pump exchangers, temperature and pressure sensors, VSP drives, pump motors, blowers, fan motors, compressors, robotic cleaner motors and power supplys, circuit boards, flow-switches, UV lamps, and keypads. 1 year parts warranty only. No labor coverage. XE series Power Ends and single speed Super Pump® TEFC motors.The LO code on a Hayward heater means Limit Open, where one of the limit switches is not closing to complete the circuit. To clear the LO code, fix or replace the wiring on the limit switches and any other issues with your heater’s limit switch, and you may need to do a backwash to clear out any obstructions.Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ...Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, …The Universal H-Series Heater is the world-class heater with an Earth-friendly conscience. While all Hayward H-Series heaters are energy-efficient, the Universal H-Series Low NOx heater has an 83-84 percent industry-leading thermal efficiency and complies with all current California and Texas air quality emission standards.

If you own a swimming pool, you know how important it is to maintain the perfect water temperature for a comfortable and enjoyable swimming experience. A pool heater is an essentia...Do you know how to make a solar water heater using a can? Find out how to make a solar water heater using a can in this article from HowStuffWorks. Advertisement You can harness th...Service LED ON: “LO” Code “LO” Code (Limit Open) may relate to water flow. Verify the pump is running & adequate water is flowing through heater. “LO” is NORMAL when the pump is turned off or there is insufficient water flow. Test pressure switch voltage Test pressure switch voltage (cont.) Step 11C... Page 46 11. Service LED ON ...Hayward Universal H-Series H350 Low NOx Pool Heater, 350,000 BTU, Natural Gas - EXPERT LINE NLA. Out of Stock. Only %1 left. Brand. Hayward. MPN. H350FDN. SKU. 4075. Product Overview. Hayward H-series Pool Heater provides an energy-efficient and environmentally responsible low NOx performance solution for pools and spas!Hayward Heater LO code. Thread starter joeg679; Start date Jul 19, 2023; Jump to latest Follow Reply Forums. Equipment - Build, Use, and Repair. ... Most of the time, an AG pool will have higher than normal pressure at the heater since it …I have a Hayward 300k BTU heater. It's light comes on and shows low. When water pressure increases the "Lo" sign goes away but I can't get the mode to switch to pool.Swimming Pool Heater Hayward H200FD Service & Installation Manual. Pool and spa/hot tub heaters (64 pages) Swimming Pool Heater Hayward H250FD Owner's Manual. ... 11. Service LED ON: “LO” Code Check continuity of Is water pressure Verify adequate water pressure “LO” Code switch wiring free of water flow, is switch, ...May 6, 2022 · First, reset your heater thermostat. Now, set the temperature point below 104 degrees. Then, set the function “Ok”. Always keep the temperature under 104 degrees to allow the heater to heat the water at this temperature. Note: Learn how to fix CE code on Hayward pool heater. 4.

Hayward Pool Products Inc is a leading manufacturer of high-quality pool equipment, including pumps, filters, heaters, and cleaners. If you’re lucky enough to own one of their prod...

Hayward Pool Products Inc. is a leading manufacturer and distributor of swimming pool equipment and supplies. With over 80 years of experience, the company has been at the forefron...4.2 464 ratings. Amazon's Choice in Swimming Pool Heaters by Hayward. 50+ bought in past month. $3,17900. Delivery & Support. Select to learn more. Ships from. In The Swim …The Hayward H-Series' Finn Plate cupro-nickel heat exchanger has special V-groove design for faster heating and longer life. Hayward Universal H-Series, Low NOx, 250,000 BTU, Propane Gas, Pool and Spa Heater delivers energy efficient heating to your pool's water that you can trust. Hayward Universal H-Series - Versatility & Power For hayward pool heater if code repair, check the pressure switch and ensure proper pressure is being reached. Hayward pool heaters display an “if” code when the pressure switch is not closed. This is caused by insufficient water flow, closed valves, air in the system, or a clogged filter. It is important to identify and fix the issue ... INNOVATION MADE EASY. Hayward Commercial Aquatics offers a full range of industry-leading innovative products designed to work together as one total system to help every commercial pool perform at its absolute best. Our products set the technological standard while providing unmatched performance, efficiency, reliability, versatility and ease ...HeatPro Heat Pump 140k BTU. Hayward. SKU: HP21404TC. High performance, energy-efficient HeatPro heat pumps quietly and economically maintain the ideal water temperature at all times. Add to Compare. Add to Export. Overview. Specifications.200K BTU. 250K BTU. 400K BTU. Select Gas. Natural Gas. Propane Gas. 1 year warranty. Hayward H-series Pool Heater provides an energy-efficient and environmentally responsible low NOx performance solution for pools and spas! Cupronickel Heat Exchanger with Totally Managed Flow provides exceptional corrosion resistance and erosion …

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Hayward H400FDN Pdf User Manuals. View online or download Hayward H400FDN Owner's Manual, Troubleshooting Manual ... POOL AND SPA/HOT TUB HEATERS. Brand: Hayward | Category: Heater ... LO" Code. 46. Pressure Switch Adjustment. 49. IF" Code. 52. AC" Code. 57. AO" Code. 58. Heat Exchanger: Flow Requirements. 61.The Universal H-Series Heater is the world-class heater with an Earth-friendly conscience. While all Hayward H-Series heaters are energy-efficient, the Universal H-Series Low NOx heater has an 83-84 percent industry-leading thermal efficiency and complies with all current California and Texas air quality emission standards.Hayward Equipment H2Oasis Pools is proud to be a Hayward Authorized Service Center and offer a wide variety of Hayward products including pumps, filters, heaters, cleaners, lights, sanitization and controls. Our professional pool technicians are certified to install and repair all Hayward products and answer any service-related questions.POOL AND SPA/HOT TUB HEATERS H150FD, H200FD, H250FD, H300FD, H350FD, H400FD & H500FD MODELS SERVICE & INSTALLATION MANUAL FOR YOUR SAFETY This product must be installed and serviced by authorized personnel, qualified in pool/ spa heater installation. Improper installation and/or operation can create carbon monoxide gasA Answered on 1/17/2013 by InyoPools Product Specialist Patrick P.. For the Hayward Lo Nox heater, you would not need to purchase an additional vent if you are using it outside. If you are installing the heater outside, we recommend you purchasing a heater cover.Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 250,000 BTU | Propane | W3H250FDP. The Hayward Universal H-Series gas heater is the "universal" energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when ...Hayward H400FDN Pdf User Manuals. View online or download Hayward H400FDN Owner's Manual, Troubleshooting Manual ... POOL AND SPA/HOT TUB HEATERS. Brand: Hayward | Category: Heater ... LO" Code. 46. Pressure Switch Adjustment. 49. IF" Code. 52. AC" Code. 57. AO" Code. 58. Heat Exchanger: Flow Requirements. 61.The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! ... Shop our wide selection of Hayward Pool Heaters; Return Policy; Product Information. Internet # 311793696. Model # HPPW3H150FDP. Store SKU # 1004869549. Additional ResourcesSep 6, 2012 ... The Hayward H400 (H Series) is no longer made and for good reason: consistent problems and a poor performance record. There are still some in ...Electric – the energy where this heater comes from is through electricity. An electric heater is usually made of an electrical resistor, and it works throughout the principle of Joule Heating. Solar – Through the help of the sun’s heat and solar panels, the water heats, then the water from the pool has been pumped into the panels. It is heated before throwing it …The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water flow is above the required minimum pressure, the filters are clean. Replace defective switches.Hayward Heat Pro W3HP21104TC 110,000 BTU Lo Ambient pool heater pump has continuous temperature display, self-diagnostic codes, UV-resistant cabinet. Call Us Nationwide: ... Hayward W3HP21104TC Lo Ambient Pool Heat Pump, 110,000 BTU. Write a review [Call For Availability] Free Shipping. CODE: HeatPro W3HP21104TC, Lo … ….

How to turn on a Hayward H series Heater#blpools#hayward#heaterTurn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380. Here you’ll gain easy access to information regarding your favorite Hayward products. Whether you are looking for a Quick Reference Guide, troubleshooting steps, or simply wish to view one of our product support videos, you have come to the right place. Hayward H400FDP Pdf User Manuals. View online or download Hayward H400FDP Owner's Manual, Troubleshooting Manual ... POOL AND SPA/HOT TUB HEATERS. Brand: Hayward | Category: Heater ... LO" Code. 46. Pressure Switch Adjustment. 49. IF" Code. 52. AC" Code. 57. AO" Code. 58. Heat Exchanger: Flow Requirements. 61.Pool heater question. This is a raypak pool heater manifold. Have a water sw open code. Where’s the switch. There two sets of wires running to probes. Ones a thermometer and the other is this little brass plug with two terminals coming off it. I’ve removed it and it’s not a switch. Thoughts ?HeatPro In Ground Heat Pump, 140,000 BTUs, Square Platform. Hayward has an advanced lineup of gas heat and electric heat and heat+chill solutions to deliver the ultimate control of your water temperature. HeatPro Heat Pump 140k BTU. Hayward. SKU: HP21404TC. High performance, energy-efficient HeatPro heat pumps quietly and economically maintain the ideal water temperature at all times. Add to Compare. Add to Export. Overview. Specifications. INNOVATION MADE EASY. Hayward Commercial Aquatics offers a full range of industry-leading innovative products designed to work together as one total system to help every commercial pool perform at its absolute best. Our products set the technological standard while providing unmatched performance, efficiency, reliability, versatility and ease ...30. macomb twp. Jun 14, 2016. #1. I have Hayward H150FDN Universal H-Series, Low NOx, 150,000 BTU, Natural Gas, Pool and Spa Heater and I am getting a LO code with … Hayward pool heater lo, I have a new Hayward heater. I keep getting a lo code when the pool is turned off. This is a brand new heater and pool. My pool company that installed the pool told me to make sure I’m getting proper water flow in the system. But didn’t tell me how to do this. Do I do it on the Hayward..., Pomeade IDXL2DB1930 Display Board Replacement for Hayward Heater IDXL2DB1930 Display Board, Compatible with Hayward Universal H-Series Low Nox Induced Draft Heater, H400FDN HD150FDN dummy Hayward W3H150FDP Universal H-Series 150,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas, Available in 150,000, 200,000, 250, 000, and 400,000 BTUs, the Universal H-Series heater can raise the temperature of an 800-gallon pool 30 degrees in less than an hour—you’ll feel the benefits the moment you step into the water. The Hayward Universal H-Series Low NOx can be added to inground pool kits sold by Pool Warehouse!, Pool heater question. This is a raypak pool heater manifold. Have a water sw open code. Where’s the switch. There two sets of wires running to probes. Ones a thermometer and the other is this little brass plug with two terminals coming off it. I’ve removed it and it’s not a switch. Thoughts ? , With a little effort and knowledge, you can get your Hayward pool heater back up and running in no time. Also see: Hayward Heater LO Code Fixes. Or if you are in need of a new heater, check out these new models: Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas ., Hayward Pool Products Inc is a leading manufacturer of high-quality pool equipment, including pumps, filters, heaters, and cleaners. If you’re lucky enough to own one of their prod..., Stumbling upon a ‘LO’ code on your Hayward heater can be quite the head-scratcher. Don’t worry, you’re about to unravel the mystery behind this cryptic message. This code …, Swimming Pool Heater Hayward H200FD Service & Installation Manual. Pool and spa/hot tub heaters (64 pages) Swimming Pool Heater Hayward H250FD Owner's Manual. ... 11. Service LED ON: “LO” Code Check continuity of Is water pressure Verify adequate water pressure “LO” Code switch wiring free of water flow, is switch, ..., The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! ... Shop our wide selection of Hayward Pool Heaters; Return Policy; Product Information. Internet # 311793696. Model # HPPW3H150FDP. Store SKU # 1004869549. Additional Resources, LO Code Pages 40-43 IF Code Pages 44-46 AC Code Page 47 AO Code Page 48-50 ... Heater must then be in Spa or Pool Mode for operation. The heater will ... Hayward …, Pool heaters work very straightforwardly: they generate heat to raise the water temperature. As long as they have a reliable water supply, the heater will not overheat. That’s why your unit will display the LO code when there’s something wrong with the water supply. The LO code signifies that there’s a low water pressure condition. […], Dec 6, 2020 ... ... heater to a Hayward ... Hayward Universal H-Series Pool Heater Installation - AmeriMerc.com ... Heater Video for DISABLE " bo" which BYPASS ..., Examples: Gas heater and heat pump exchangers, temperature and pressure sensors, VSP drives, pump motors, blowers, fan motors, compressors, robotic cleaner motors and power supplys, circuit boards, flow-switches, UV lamps, and keypads. 1 year parts warranty only. No labor coverage. XE series Power Ends and single speed Super Pump® TEFC motors. , Universal HC Series - Dual Fuel 400k BTU. Hayward. SKU: HDF400. The industry’s smallest footprint heater allows replacement of almost any heater in an existing pad with the efficient reliability of the new Universal HC Series dual-fuel technology heater from Hayward®. Add to Compare. Add to Export. Overview., Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 400,000 BTU | Natural Gas | W3H400FDN. The Hayward Universal H-Series gas heater is the "universal" energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when ..., Shop for a Hayward W3H400FDP Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Propane Gas at The Pool Supplies Superstore. FREE Shipping & Unbeatable Low Prices., 1.3 Heater Cycling On And Off. 2 Troubleshooting Steps. 2.1 Check Gas Pressure And Fuel Supply. 2.2 Inspect Air Supply And Venting. 2.3 Ensure Proper Water Flow. 2.4 Clean Filters And Pump. 2.5 Adjust External Bypass If Needed. 3 Tips For Diagnosing Problems. 3.1 Follow The Heater Start Sequence., Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380. , If the heater is connected to the line side of the circuit it will be powered at all times. In this situation, when the pump shuts down the heater will display a fault code of “LO”. If there is a call for heat and the pump then restarts there will be a 2-minute delay for the heater to fire. After the pump has been running for at, Available in 150,000, 200,000, 250, 000, and 400,000 BTUs, the Universal H-Series heater can raise the temperature of an 800-gallon pool 30 degrees in less than an hour—you’ll feel the benefits the moment you step into the water. The Hayward Universal H-Series Low NOx can be added to inground pool kits sold by Pool Warehouse!, Oct 3, 2017 ... My Hayward H100ID stopped heating the swimming pool water. I spent 3 afternoons and evenings of my free time pulling my hair out trying to ..., HeatPro Heat Pump 140k BTU. Hayward. SKU: HP21404TC. High performance, energy-efficient HeatPro heat pumps quietly and economically maintain the ideal water temperature at all times. Add to Compare. Add to Export. Overview. Specifications. , By following these guidelines, you can quickly get your pool heater back up and running efficiently. Hayward Pool Heater Parts Diagram Hayward Pool Heater BO Code What Does BO Code Mean? The Hayward Pool Heater BO code indicates a flame-sensing fault. It means that the heater is unable to detect the flame properly., First, reset your heater thermostat. Now, set the temperature point below 104 degrees. Then, set the function “Ok”. Always keep the temperature under 104 degrees to allow the heater to heat the water at this temperature. Note: Learn how to fix CE code on Hayward pool heater. 4., Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. ... Phase Heaters: 1.0000: Pool Type: In Ground: Product Dimensions: 24 " x 19 " x 29.5 "Product Height: 24 in: Product Length: 29.5 in: Product Weight: 135 lb: Product Width: 19 in:, The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! Its ground-breaking hydraulic design reduces pump circulation run time, giving you an energy savings of up to 18%! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx capabilities. , Dive in with a dealer near you. Our network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools., Pool heater question. This is a raypak pool heater manifold. Have a water sw open code. Where’s the switch. There two sets of wires running to probes. Ones a thermometer and the other is this little brass plug with two terminals coming off it. I’ve removed it and it’s not a switch. Thoughts ?, Hayward FDXLWPS1930 Water Pressure Switch Replacement for Hayward Universal H-Series Low Nox Pool Heater,Black 4.7 out of 5 stars 392 10 offers from $37.38, Shop Hayward W3H400FDN Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Natural Gas at Pool Supplies Superstore. The Superstore has all the Commercial Pool Heaters by Hayward to fit your pool supply needs!, Below is the troubleshooting guide for Hayward pool heater error codes. Error codes show up on the digital screen of the H-Series H150, H200, H250, H300, H350, and H400 gas …, Pool Length m: 10: Pool Width m: 6: Pool A. Depth m: 1.4: Pool surface area sq.m: 60: Pool surface area sq.ft: 645.6: Pool Volume cu.m: 84: Pool volume litrs: 84000: Pool Volume USGallons: 22176: Turnover time hr: 6: Flow rate required gpm : Flow rate required cu.m/h : Water Temperature Required deg C : Air temperature around pool deg C ..., Adjust the water flow or call a professional if the pressure is too low. Clean the Filter: A dirty or clogged filter can cause Hayward Heater CE Code errors. Clean the filter thoroughly and replace it if necessary. This will improve the heater’s efficiency and prevent future issues. Inspect the Ignition System: If the above steps do not ...