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r 'The fallowing table represents some of the mo t commo�n technical suppart questions we receive. Before calling us, � please read thoroughly t see if yo�ur question or prablem is addresseci. _ ' � ' • : � • : � • � ' �' Water heater is not heating at all(water is flowing Na power o incorrect wiring. Make sure the breakers at main electrical panel are ON.You but the unit is not heating at all—the incoming may have a faulty breaker or unit may be wired inrnrrect. + i water temperature is the same as my'caid water supply)-the digital display does NOT light up. Flow rate is toa tow/water pressure is too Your water heater has an activation ftow rate of low. � approximately 0.25 GPM.If your water flow rete is(ess than this tevet,your uniz wilt not activate.lncrease the f3ow rate. Water heater is not heating at all(water is flowing Internal pa failure. Please call us for technical assistance. , but the unit is not heating at a!1-the tncoming water tempereture is the same as my co�d water supply} The digital display DOES light up. i Water heater is heating but the water temperature User tempe ature setting too low. Turn up the tempereture setting on the unit(see Generel is not hot enough. Opereting Instructions section of this manual) Flow rate is too high. Depending on your incoming water temperature and the � power output of yaur model,your water flow rate may exceed the physicaI heating capatity o{yaur water heater. Reduce the flow rate at the faucet or slightly close the shut- off valve installed on the inlet slde of your heater to reduce the inlet water fiow rate.(see Generat Operating ' Instrudions section of this manual) I � Crossed wi s. If iYs a new instat}ation,fiave your eledritian doubte check � the wiring.Is possible that the wiring is incorrect. '� Voitage Ies that 2A0 voI s. The heating elements on your water heater are design for 240 volts.When use with a lower voltage,they produce less heattng power.You may need to upgrade to a Iarger model. Call your authorize dealer for more information. Mixing too uch cold water. Yau do nat�eed to mix as mach co�d water with you� tankless water heater compared to when you use a conventional water heater.You may also have an anti-scatd feature on your faucet that is mixing cold water.7hese types of faucets can usually be adjusted to reduce the amount of cold water mixed.{see�enerat Operating Instructions section of this manual). � The water temperature at my faucet is less than the Voltage les that 240 vo�ts. The computer chips in your tankless water heater are I temperature setting of my water heater. programmed with the expectation that yaur incoming line � vottage is 240 volts.If yau have Iess than 240 votts,it may �, affed the reading on your water heater's digital display and � cause it to read slightly higher than the actuai output temperatare.To compensate for this,increase the setting on your water heater ff you need/want hotter water. � Anti-Scatd ressureJbalancing valve or Your faucet may have an anti-scald feature or a tempering tempering alve. valve that automatically mixes cold water even when you iurn your contral lever or haadle to full hot.These devices are usually adjustable so you can turn aff the coid mix completely.You can compensate for this by increasing the setting an your watet heater if you needJwant hotter water. Thermal lo s due to long pipe run As the hot water from the heater runs through the hot water delivery system ta yau faucet,some heat will 6e[ost especially if it has long distance to trevel or the pipes are cold.This is normal.You can campensate for this by increasing the setting on your water if you needjwant hotter water. Page9