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Old 06-13-2021, 11:21 AM   #1
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No power to Hot Water Heater

1986 Allegro MH. Replaced hot water tank and now have no power.
check fuses and all good.
Took of switch and does not appear to have power to it.
From the switch have brown, green and blue wire for it to tank with Brown being power according to instructions.
?? Does the power come directly from the fuse box.? Any suggestions would be very helpful.

Thanks
The Gipper
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Old 06-13-2021, 11:28 AM   #2
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assuming you mean your water heater?
Make and model would be helpful.
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Old 06-13-2021, 08:33 PM   #3
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Quote:
Originally Posted by LETMGROW View Post
assuming you mean your water heater?
Make and model would be helpful.
Did you read the title??
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Old 06-13-2021, 08:38 PM   #4
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Quote:
Originally Posted by TheGipper55 View Post
1986 Allegro MH. Replaced hot water tank and now have no power.
check fuses and all good.
Took of switch and does not appear to have power to it.
From the switch have brown, green and blue wire for it to tank with Brown being power according to instructions.
?? Does the power come directly from the fuse box.? Any suggestions would be very helpful.

Thanks
The Gipper
Why did you change the heater? Maybe no power to old one? Explain which switch you are talking about. You have a thermostat and a circuit board involved so which switch is important info.
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Old 06-13-2021, 09:09 PM   #5
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On Backside of On/Off Switch should be 4 wires

ONE would be 12VDC+ from battery or from DC Fuse Panel
*Could be piggy backed with another circuit fuse as it has low amp draw
Could be Red or White or??...depends on what color RV MFG wanted to use for DC+

Brown is the DC+ from the on/off switch to the thermal cutout then to T-stat
*Thermal Fuse in clear tubing ---if used

Green is the DC- from battery to ground and circuit board

Blue is from circuit board to switch for Fault Light

If source fuse is blown no DC+ to the on/off switch
If thermal Fuse is blow...no DC+ to t-stat/circuit board
IF bad ground connection...no DC circuit
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