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Old 24-07-2018, 04:01   #1
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Boat: Mahe 36, Helia 44 Evo, MY 37
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Volvo Penta MDI Black Box RECALL

Volvo Penta MDI BLACK BOX RECALL

Quality Campaign. D1,D2. MDI, replacement
For Engines D1-13F, D1-20F, D1-30F, D2-40F, D2-50F, D2-55F, D2-60F, D2-75F

See PDF file below for full details.
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Old 28-07-2018, 16:13   #2
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Boat: 2015 Fountaine Pajot SABA 50
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Re: Volvo Penta MDI Black Box RECALL

Thank you Cotemar

I have printed off a few copies for Friends and new Buyer of my Helia 44, and I will check my own on my 2015 Saba....

If they are going to give out new ones, why not?? I have not had a failure, but I hear that there is a potential for it and it would be inconvenient not to have the instrument interface.

From what I hear the failure rate has been something like 10% or maybe as high as 20%, but my frame of reference is not very large..


Thanks again.. I am anchored in front of Airlie Beach in the middle of the Whitsundays inside the Great Barrier Reef. I will be here for a few months in the surrounding islands beach combing and snorkeling:

Come on over, I will buy you a beer or three!!
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Old 09-02-2019, 12:09   #3
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Re: Volvo Penta MDI Black Box RECALL

There's another thread on the MDI failures where I also posted this, but given that it seems of interest:

Quote:
We just had two new D2-40s installed as part of Volvo's recall campaign on the engines. We have also had a couple of MDI failures on the old engines.

As the tech was hooking up the new engines part of his Volvo required diagnostics was a voltage check. He was shocked (not literally)/surprised/alarmed to find that our start batteries were sitting at 13.8V when he checked. He reported that Volvo has supposedly identified a root cause of MDI failures - voltage above 13.8V. He says Volvo has found that the bulk of failures seems to occur where solar or other charging sources keep the start batteries at 14.2/14.4 (pick your number). Volvo is now requiring technicians to check voltage during install and advise customers (me) that anything above 13.8V could damage the MDI. Volvo sets their alternators at 13.8 and recommends that they be the only charging source for start batteries and that systems not be connected that can raise the engine electronics voltage above 13.8V.

Do not know the veracity of any of that, one tech's report (he is a Volvo certified tech) to me. Seems a very poor design if there is no over-range capability (even 10% over 13.8 would get you to 15.2) in some electronics, but I've seen sillier design decisions. If true, could be a problem for a lot of us that use automatic combiners, echo chargers, etc. that keep the start batteries up from other sources when not using the engines.
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