Tundra reefer

[Blue Heron]

I have a Tundra Freezer/fridge unit in my trawler. It has always worked well AC/DC.
I had an unfamiliar crew aboard last Saturday and the AC breaker for the entire boat was switched to off position.
Today I was making preps for fishing tomorrow and noticed a putrid smell. My bait (5 lbs of Cigar Minnows ) was thawed. Totally nasty!

When I am off the boat the only thing I leave on DC is the Refrigerator and the bilge pump.

I think the DC required voltage is too low so the fridge shutdown.

The boat is charging again and the AC power is getting the charger going.

Am I on the right track?

Any one else experience this?

I can't find a Fuse or CB on my Tundra. Model T80

Thoughts?

If I get the batteries charged back up to max shouldn't the fridge work?

Thanks.

 

[fryedaze]

Sounds like low volt cutoff to me. If thats not it then check this link out. I have the same fridge. There are two terminals on the control board that you can hook a LED across and diagnose problems.
Danfoss Bd35 or Bd50 Compressor Fault Diagnosis Test

 

[Blue Heron]

Thanks! I'll check it out and let you know

 

[Blue Heron]

Batteries on full charge and Fridge runs when AC is removed. Appears to be Low Voltage Cut out...