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Old 09-10-2016, 09:34 PM   #1
Join Date: Mar 2016
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DVD stops when we use water pump

When we are watching a dvd movie using the IRV34 and someone uses the water pump(sink, toilet, shower) the dvd pauses or it goes blue on the screen. When you stop using the water pump the picture comes back up sound never is lost the whole time just the picture anyone know how I can fix this? It never did it before it started a month ago

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Old 09-11-2016, 07:47 AM   #2
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Do you only have 1 battery. It is your amp draw from the pump.

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Old 09-11-2016, 08:09 AM   #3
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Sounds like either you have a grounding problem or a coax shielding problem, or maybe both.

It could be a battery problem, but if it were, I'd expect to see lights dimming and the pump struggling.
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Old 09-11-2016, 08:09 AM   #4
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I have two 6v batteries so shouldn't be that

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Old 09-11-2016, 10:14 AM   #5
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Originally Posted by Locchamp View Post
I have two 6v batteries so shouldn't be that

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Depends on their condition and charge status.... Or you could have gremlins
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Old 09-11-2016, 10:16 AM   #6
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Maybe the water cooled DVD player is down on H2O?... In all seriousness, it sounds like your DVD player isn't getting full voltage. Try running an extension cord from the player to another outlet and that will isolate the electrical leg that might be the culprit.
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Old 09-11-2016, 01:07 PM   #7
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I have two 6v batteries so shouldn't be that
You do NOT know the exact status of your batteries charge if you do not own a cheap electrical meter that will measure voltage...

Harbor Freight or Walmart or any hardware store will have a meter for under $10 that you can use to measure the exact voltage of the batteries.

With the electrical cord unplugged from shore power...
Measure using the VOLTS function on the meter... Red lead to + battery terminal and black to - battery terminal

Each 6V battery should read at least 6.3 volts (12.6 volts from + of one to - of the other battery) with no load (nothing running on 12V). Then while running the pump, measure the voltage again and see if voltage drops from the no load voltage. Any drop more than 0.1 or 0.2 volts shows weak batteries.

If there is no voltage drop yet still have the DVD problem, then I would figure on a bad connection to the 12V line that the DVD works from.

I am going to bet that your batteries are weak, and the voltage drops below 12 V when the pump runs, which interrupts the computer that runs the DVD.

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Old 09-11-2016, 06:08 PM   #8
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Old 09-11-2016, 06:58 PM   #9
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I had a similar issue but with a inverter that was connected to the satellite feed (12v dc) that was used to power the inverter which was used to power the TV while boondocking. Apparently it is or was a voltage drop issue when the pump came on. My two batteries always carried the entire coach for the night without any issues but I did suspect that the wiring for the satellite feed seem to be rather small, perhaps 18 ga.
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Old 09-11-2016, 07:13 PM   #10
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Check battery and ground connections. If one is loose you will have a high resistance connection and when current is drawn, the voltage will drop. Measure DC voltage at DVD with and without water pump. They should be almost identical.


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dvd, pump, water, water pump

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