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12v refrigeration hell
I have a 12v holding plate unit with a Danfoss D25 compressor. The
compressor will run for a minute or so and then cut out. The air cooling fan continues running. It will start again and then cut out again. Over and over. Last week I had a problem with a poor ground and the whole unit was shutting down (low voltage, beeping ) I fixed that,(new wiring) there's lots of voltage (no voltage drop) and now I have the compressor shut down problem. The freon (R12) is good I think (was frosting up nicely on the weekend). The compressor is not overheating (it only runs for a minute! I can hold my hand on it for ever without burning). Is it the control module and is this problem coincidental or related to the earlier low voltage problem. (the low voltage problem was intermittent over a week, I used the wire jiggling method before I finally corrected it by re-wiring). Is it the compressor? There is no amperage spike when it starts - just the usual 4 amp draw. The unit has run flawlessly for 15 years. I am at the end of my limited knowledge. Help! Rick Itenson La Belle Aurore Toronto |
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