Heated screens - Page 2 - Ford B-Max Forum
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post #11 of 16 (permalink) Old 23rd November 2017, 09:26
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With a bit of luck I shall be picking up my Bmax from the dealers today, with new screen fitted. Under warranty.
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post #12 of 16 (permalink) Old 2nd December 2019, 10:43
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problem with heated screens

We have had exactly the same problem, always at the most inopportune times too. I was thinking of a new battery but won't bother now. Will just have to think of an excuse for a longer run out to recharge the battery more fully by the sounds of it.
It is really annoying especially on a day like yesterday when the windscreen kept freezing over as soon as I defrosted it.
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post #13 of 16 (permalink) Old 2nd December 2019, 19:00
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The systems power priority is starting the engine. Stop start will not enable until sufficient battery voltage is achieved. Cold weather brings down the battery charge and staring the engine will draw several hundred amps so even with a fully charged battery the heated front screen may only defrost half the screen to begin with.
If you are going to use the heated front screen, make sure all other electrical loads are turned off while the screen clears and then make sure you switch off the heated front screen.

B-Max Titanium 1.0 125bhp manual City Pack.
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post #14 of 16 (permalink) Old 8th December 2019, 13:05
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I had the same problem both screens not working so I changed the battery for a better quality one ( Exide superior ) from Euro car parts. I went for a 30 minute drive up the motorway and both heated screens now work fine. My old battery was ok never had the car not start etc but this new one has sorted the annoying screens not working problem. I got my battery on black Friday for under half price 53 !
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post #15 of 16 (permalink) Old 17th December 2019, 23:29
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Quote:
Originally Posted by pegleg View Post
The systems power priority is starting the engine. Stop start will not enable until sufficient battery voltage is achieved. Cold weather brings down the battery charge and staring the engine will draw several hundred amps so even with a fully charged battery the heated front screen may only defrost half the screen to begin with.
If you are going to use the heated front screen, make sure all other electrical loads are turned off while the screen clears and then make sure you switch off the heated front screen.
The heated front screen has an auto off function. The rear does not.

2015 B Max Eco Boost Zetec 125 Tectonic Silver
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post #16 of 16 (permalink) Old 18th December 2019, 13:28
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Never hurts to give your battery a trickle charge overnight once in a while during cold months, especially if you do a lot of short journeys, use heated screens, seats, wipers and headlights a lot.

Doing this can add several years of life to an ageing battery.

B Max Titanium X 1.0 125 bhp in Magnetic with built in SatNav and rear sensors.
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