Re: [Amel Yacht Owners] Re: Electric Mass -defect

Alexandre Uster von Baar
 

Good morning Ofer,

Sorry to read about your Mass problem…

August 2014 the Mass Circuit light would go one:
http://nikimat.com/mass_circuit_electrolysis_protection.html

Ian Shepherd SM2K #414 Crusader said it had that twice and on both occasion it was caused by a leaking seal on the toilet macerator pump.
It was also my case.
As Ian mentioned: I disconnected the positive and negative wires, tested the "mass circuit electric leak" and no more light! The leak was found.
Just in case, connected back and of course light back up!

Here is what Ian added later on:
Just a bit of logic which says that current leakage is most likely caused by sea water getting into something electrical through wear, such as the seals on an electrical motor.
This narrows it down quite a bit, and luck played its part by my looking at the macerator motors first. Don't think too deep.
The wiring on an Amel is pretty well installed and robust and so is unlikely to be at fault.

Later on did additional tests: which was trying to find the leak by switching Off the Head Diruptor in the engine room.
Unfortunately, it did not help finding the faulty device, I “guess” because connected to the positive wire.

I am not sure that I can assume since mine show “Negative Mass” you will find the leak from a negative wire, but it would be my “guess”.
To be in the safe side, I would disconnect both positive and negative wire one by one of all system onboard and see if the light stops.

Again, I am not knowledgeable enough and can only share my experience and how Ian helped me solve this issue.
Hope you get more feedback and please keep up posted.

Sincerely, Alexandre
SM2K #289 NIKIMAT
Blue Heaven Marina, Turks & Caicos



--------------------------------------------

On Tue, 11/24/15, magenofer@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: [Amel Yacht Owners] Re: Electric Mass -defect
To: amelyachtowners@...
Date: Tuesday, November 24, 2015, 2:28 PM


 









Hallo to all in the group,
since a week now,I have the same
problem:when testing the electricity leak to the
minus ,the light goes ON.
I would appreciate an advice ,what
can it be and what is the plan to find it.
thanks,OferAlba
Amel 54 #160









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