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My one-year old Rheem Hybrid Hot Water Heater (xe50t10hd50u0) is completely dead. Power to the unit is good (full 240v). Screen on the unit is blank. I've pressed the reset button; no help. Unfortunately, Rheem is closed because it is Sunday, so tech support is not available. Is there anything else I can try?

  • Is the plug four wire: hot1-hot2-neutral-gnd ? – Jim Stewart Sep 30 '18 at 19:59
  • It’s hard wired. Hot1-hot2-gnd – themidnightwill Sep 30 '18 at 20:03
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Disconnect the power to the unit and let it sit for 5 min and then repower it. You can either switch off the breaker or pull the plug.

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    I cut the breaker and left it off over 10 minutes; no improvement – themidnightwill Sep 30 '18 at 20:20
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Turns out the motherboard was fried in the unit. Rheem sent a replacement unit (turns out it's the whole screen thing), and problem fixed. I did have to get a Rheem plumber to look at it. Part was free and overnighted to us; I did have to pay for labor, though.

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