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Old 24-05-2020, 06:24   #1
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Windlass wiring help for a friend

Hey all, my good friend has an emergency head scratcher re his windlass. Lofrans 1200. He had an issue with the remote, windlass would go up but not down. Swapped for a new remote, same problem! Switched the wires and windlass would go down but not up. Changed the solenoids last year, they look new. Voltage measured properly everywhere.

What could be causing this?? Any thoughts would be a lot of help.... Thanks y'all
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Old 24-05-2020, 06:42   #2
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Re: Windlass wiring help for a friend

Is it a wireless remote? If so then it's the solenoid. If it's a wired remote then it could be the deck plug, or the solenoid.
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Old 24-05-2020, 07:04   #3
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Re: Windlass wiring help for a friend

More info: both solenoids seem to click when the power is switched. So if the solenoids are good, new switch and connections... Like I said, a head scratcher
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Old 24-05-2020, 07:31   #4
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Re: Windlass wiring help for a friend

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Originally Posted by Sojourner View Post
...Switched the wires and windlass would go down but not up. ...
Which wires got switched/where? Remote wires? Motor wires? At the motor terminals? At the solenoids? At a deck plug for the remote?

This information would help a lot in figuring out where the problem lies.

According to the manual the Lofrans T1200 uses a 3-wire motor. That means there's a separate set of brushes for the up positive cable and the down positive cable. So, if swapping the leads at the motor is what was done then I'd think one set of brushes is worn. Usually the up brushes wear more than the down, but not unusual to have one set more worn than the other.

If it was some other wires that got swapped then need to know which ones in order to provide a diagnosis.
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Old 24-05-2020, 07:55   #5
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Re: Windlass wiring help for a friend

Brushes can also stick in the holder too, sometimes an impact adjustment will free a stuck one. But if the relays are known good, it’s the motor. The easiest way to be sure is to put a multimeter on the leads going to the motor.
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Old 24-05-2020, 08:17   #6
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Re: Windlass wiring help for a friend

If windlass will raise but not lower, try pressing raise twice then press lower. If windlass will lower but not raise try pressing lower twice before pressing raise. I saw this recently on a Lewmar H3, donít know if itís an intentional feature or just a sticky relay.
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Old 24-05-2020, 08:40   #7
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Re: Windlass wiring help for a friend

first look at the solenoid. Take a big fat isolated screwdriver and bypass the 3 terminals by hand one is minus, 2 plus (up/down)


if it works you are fine and the problem is only at the low amps steering unit
if not... gotta service your windlass motor.

OK did not read tough enough. You checked it. Check it again!!

Then look at the 12V wires to the switch.
It is possible to bypass them at the solenoid too. You have to fabricate a wire with two plug connectors. One for minus and the second for the solenoid connector. Check out which connector is for up down and if it gets minus or plus.

When you checked the solenoid and it is OK then only two things remain:
broken wire or broken switch.
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Old 24-05-2020, 09:37   #8
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Re: Windlass wiring help for a friend

The OP says that when they switched wires the winch would go up or down, but not both. I would think the switch activating the solenoid is where I would start.
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Old 24-05-2020, 10:39   #9
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Re: Windlass wiring help for a friend

I had the same problem and finally I discovered that one switch was corroded and in continuity .The best solution is take a multimeter and test when up and down .Probably you will find the problem
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Old 24-05-2020, 10:42   #10
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Re: Windlass wiring help for a friend

My Lofrsns kobra 1000 has a stainless cup as cover at the bottom. As it is a cup, any water entering the motor has no way out, brushes drowned in water, big galvanic mess, carbon brushes, copper wires, aluminum casting, soft steel housing.



Maybe remove contacts and measure resistances. Btw, 1990 motor had 2 windings, 3 contacts, the replacement, original from factory in Italy, has 2 contacts, but 1000W, don't know todays 1200W. As you have 3 contacts, check if power comes from the solenoid, if yes, check the carbon brushes, could be one is defect
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Old 25-05-2020, 03:40   #11
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Re: Windlass wiring help for a friend

The remote to the solenoid is wired wrong.
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Old 25-05-2020, 04:26   #12
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Re: Windlass wiring help for a friend

Why not jump the contacter/ solenoid where the remote connects. This will quickly show if the contacter/solenoid is faulty. A multimeter will soon show if a wired remote is faulty.
If both ok, it’s probably the brushes in the winch. Cost me $200 to learn that.��
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Old 25-05-2020, 04:59   #13
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Re: Windlass wiring help for a friend

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Why not jump the contacter/ solenoid where the remote connects. This will quickly show if the contacter/solenoid is faulty. A multimeter will soon show if a wired remote is faulty.
If both ok, itís probably the brushes in the winch. Cost me $200 to learn that.��
The windlass motor goes both ways, up and down. So the motor is not the problem. The solenoid and the remote have both been replaced. So not likely the problem. The only thing left is the control wiring between the switch and the solenoid.
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