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GA24CSA GAS TANKLESS WATER HEATER SELF TROUBLESHOOTING GUIDE marey.com PR (787) 727-0277 USA (855) 627-3955...
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GA24CSA TROUBLE SHOOTING UNIT IS ON - DISPLAY IS ON – WATER FLOWS THROUGH THE UNIT - DOES NOT HEAT WATER – NO ERROR CODE The temperature in the This model unit is flow activated by an display remains constant impeller in the water valve.
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GA24CSA UNIT WAS WORKING 1. Assure supply of gas is adequate: type AND NOW SHOWS E1 (NG/LP) and pressure. a. NG: 3.5 - 10.5 W.C b. LP: 8.0 - 13.0 W.C 2. Shut off gas supply, disconnect power and remove the cover (careful with the wire that connects to display, disconnect it).
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GA24CSA ERROR CODE > E4 1. Inlet water temperature sensor is loose/damaged – clamp/replace com- ponent (check video) ERROR CODE > E0 Outlet water temperature sensor 1. Component is loose/damaged – clamp/replace outlet water temperatu- re sensor (check video) ERROR CODE > E6 Overheating occurs inside of the unit 1.
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GA24CSA ERROR CODE > E8 1. Verify that exhaust vent is properly installed according to the guidelines – inadequate installation can lead to heater not being able to properly push out combustion gases through the exhaust passage causing an accu- mulation of these inside of the unit.
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