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travis161 Asked 12 years ago

Why does my Paloma tankless water heater turn off randomly without errors? [solved]

We have a Paloma Tankless water heater, model: PTG-74PVN that shuts down when in use for a few minutes. There is no code displayed on the screen, it just powers down. This started happening a few weeks ago after 5 or 10 minutes, but now it happens after around 1 or 2 minutes, making for some brisk showers. In the past when we've had issues, there's always been an error code displayed that has helped when troubleshooting.

Does anyone know what might be causing this?

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2 Answers Found
travis161 Answered 12 years ago

After calling Paloma, they suggested disconnecting the thermostat. I noticed that the filter was dirty and cleaned it as well. So far it seems to be working again. If I don't have problems in a week, I'll try reconnecting the thermostat and see if the problem was just the dirty filter.

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It was just the filter, but the latest failure was due to some blown capacitors on the system board. - travis 11 years ago
I had another failure that had an error code that required disassembly and cleaning. - travis 9 years ago
Karen1780 Answered 1 week ago

Having PROBLEMS with your TANKLESS Water Heater? TRY THIS

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