Ensure the right vent size and lengths are used.Ensure there are no cracks or damages to the flame sensor and its insulation.Make sure the flame sensor is always clean – use the fine steel wool to clean from any residues.Poor contact – ensure the correct contact between the flame sensor and flame (required gap – 0.13” and elevation 0.4” – measured from the lower lip on low NOx and from the top lip on standard burners).Mini-tank electric water heaters shall be tested in accordance with the method specified in the California Code of 39 Regulations, Title 20, section 1604 in effect as of July. Low voltage – the voltage must be between 115 and 125 VAC. The standby energy consumption of hot water dispensers and mini-tank electric water heaters manufactured on or after January 1, 2010, shall be not greater than 35 watts.Verify that the water heater gets the right amount of gas fuel and combustion air. Low pressure – the manifold gas pressure cannot be adjusted, so if it is off by 0.3” W.C., you must replace the gas control valve.Other causes of the ignition/flame failure: Keep in mind that the element resistance changes over time. The resistance should be between 11.5 and 18.8 ohms and must be replaced if it is not. If 35Vdc is not present at the connector, inspect the wiring har- ness and replace if necessary. The first thing that needs to be checked is the resistance of the element. Restart the boiler sequence and check for 35Vdc at the connector between the black and white wires (pin 1 & 5). The main cause of ignition failure is a broken or malfunctioning ignitor. The Intelli-Vent control uses the silicon nitride ignitor, which is more durable than the ignitors found on most water heaters. It also features advanced diagnostics, and it incorporates 6 LED lights and two buttons for adjusting the temperature from warm to hot. Note: The Intelli-Vent is the device that is in charge of the temperature, ignition, blower, and ignitor control, also flame sensing and gas regulation. To reset the heater, you must first cycle the power to the unit OFF and ON. As the unit is equipped with the Intelli-Vent gas control valve, it will display the error codes 6 where two indicator lights, A and B, will be on. In such a case, the unit will try to ignite the gas burner, and if the maximum number of repeats has been reached, the system will lock out for approximately one hour. There are several reasons why the AO Smith water heater GPDH 50 has ignition or flame failure problems.
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How to fix the power-vent AO Smith water heater (GPDH 50), with an error code 6, due to the ignition and flame problems? I would recommend this very professional, small family business for anyone in need of HVAC equipment or maintenance.Facebook Twitter Pinterest Tumblr Reddit WhatsApp The installation was done by a fine young gentleman the very next day and we now have a toasty warm home to ride out this crisis in while humming along at 96% efficiency! You could tell that Dave had been in this industry for a very long time. He reviewed the various options of the products that suited our needs going over not only price but quality of workmanship, warrantees and where the product was manufactured which were all important factors in making such a large purchase. He was very courteous and informative but most importantly he respected his and our safety by wearing medical gloves in our home and maintaining proper physical distancing. Dave answered all of my questions by phone but wanted to come have a look but only if our family felt comfortable having someone visit during the uncertainty surrounding the pandemic and was able to attend that very same affternoon. SCAQMD rule 1121 compliant models available: 10ng/J NOx emissions. Integrated self-diagnostic system control, thermostat and gas valve.
I called Twintech during the Covid 19 crisis because our furnace was broken and it was still very cold during the nights. 0.65 UEF (0.67 EF) Induced draft with the Guardian FVIR System.
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