Question about Vanguard International Vanguard 82V66-2T Electric Water Heater

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No hot water. hitting reset button starts it up but keeps tripping breaker

There is no hot water. When we hit the re set button you can hear it start making noise but it runs for about 2 minutes and then it trips the breaker. Model # 3WA67 - Serial # VG0306215097

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  • HANK MCNEIL May 11, 2010

    Check and post the resistance thru the element(s) with no wires attached and from each terminal of the elements to the tank(ground) please.

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  • 44 Answers

-Did you buy it directly from Grainger? The model # is actually 82SV30-2T. The "model #" you provided is Grainger's product code.

-Is this a new installation or is this an older water heater?

-Is this wired to a 25 amp breaker. (It should be.)

-Did you re-use existing wire? If so, is it at least #10 copper? (It has to be #10 or larger to comply with code) It isn't copper-clad aluminum or cotton over rubber insulated, right? (It should not be)

-Have you re-wired the heating elements? If so, you need to restore the wiring to the way it was configured from the factory.

Let me know if you need further assistance.

V/R

Posted on May 24, 2009

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Let's do a quick check and save you money.
Open top cover on water heater and push in red reset button that might be tripped.
If reset is tripped, water heater should turn ON.
If reset will not reset, then replace upper thermostat:
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If reset is not tripped out, then it is OK, so test two top wires on upper thermostat.
Use cheap multimeter from home center, and set dial to 240-250-277 VAC.
Test across top two screws on upper thermostat to see if you have 240Volts.
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http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

If water heater is not receiving 240V, then the breaker is suspect, or a wire between breaker and water heater is loose.
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http://waterheatertimer.org/240-v-water-heater-circuit.html

Now let's look at circuit breaker:
Mark suspect 240V breaker.
Identify all your breakers, and also mark another 240 Volt breaker that is same amperage as water heater 240V breaker.
Turn off main breaker.
Take front panel off breaker box.
The wires and lugs on main breaker are HOT, so stay away from that area.
http://waterheatertimer.org/See-inside-main-breaker-box.html
Suspect breaker has 2 wires coming from breaker.
See if one or both wires are loose, and then tighten.

If wires are tight, then move these wires to the other 240V breaker that is rated for same amps as water heater.
Now turn on main breaker.
Put ear against water heater tank to hear bubbly fizzing sound.
This will identify if circuit breaker is bad, or if water heater needs a full troubleshoot.
It is not a good idea to run two 240V appliances on same 240V circuit breaker, so you may have to decide one or the other appliance until you can replace breaker.
Instructions to replace circuit breaker:
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Add a comment for more free help.
Also take advantage of fixya phone service.
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