Vaccine fridge is reading very low

Take a look at this graph.

CleverLogger graph shows a vaccine fridge reading too low

Notice how the troughs are dropping down below 0°C – not good for a vaccine fridge.

The problem was that ice had formed on the compressor and air blowing across the ice was being supercooled. 

After the fridge was switched off and defrosted, the fridge returned to normal.

 

CleverLogger-shows-a-vaccine-fridge-after-defrost

This example shows the importance of not ignoring low readings – it may mean there is something wrong with the fridge.

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