Question about Water Heaters
I have an Eternal GU 195 S Hybrid water heater ( http://www.eternalwaterheater.com/products.html ). It will heat up the water that's in the tank ( so when I draw the water, the hot water will come out ) but it will not heat up the water on-demand. So after a minute of drawing, the water will turn cold and give E02 error which I read on the Net is related to either thermocouple or gas head. But the water DOES get heat up if I let go of drawing and let it fill up, it will heat up what's in there the next time around. So I will draw one time, let it sit for half hour and then draw again, it will heat up the water in the reserve tank. Any suggestion what to do? Thanks.
Is this new installation? Or old installation that stopped working?
Here's the 100% solution. And it applies to all brands, models, types, of tankless water heater, no matter which error code:
People should avoid complicated water heaters that claim 'energy star' and '98% efficiency' while proclaiming 'endless hot water' as if the laws of physics, economics and common sense can suddenly be suspended if only the customer would buy expensive, complicated water heater that cannot be maintained or repaired by customer, and there are no qualified technicians who live in your area.
Otherwise you need a service manual, or contact eternal manufacturer. 1-866-946-1096
Error E02 does not show in manual.
E2 is ignition failure, which on other brands can be failed PC board... and inadequate incoming air supply, or venting, or failed sensor, dirty combustion parts, air or water in gas line, low gas pressure, wrong gas, etc, or multiples from list above.
Posted on May 10, 2013
a 6ya Repairman can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
II would think that the unit is going out on hil imit because there is not enough psi on the water coming in.Is this unit on well water or city?If it on well water you have run some cleaner in it every six months.L on the side of the heat or inside and there a toll free number to call talk to a tech.
Posted on Mar 15, 2009
This worked for me in the same situation. There is a filter inserted into main gas/ water control valve that senses water flow restriction. The sensor is connected to the gas valve. If it senses inadequate water flow it tells the gas valve to shut down so the water in the heater won't boil. Very expensive part. If you do find the filter clogged, a sediment water filter shoud be install on the inlet side of the water piping.
Posted on Oct 13, 2009
Probably a bad solenoid in the gas valve. Higher voltage of a new thermocouple keeps it open longer but it still fails over a period of time. Look into a new gas valve for the water heater.
Posted on Dec 17, 2009
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