Thu Jun 10 2021

Specimen head refrigeration disconnected

Flashing decimal places flashing at specimen head display temperature. Manual States specimen had refrigeration disconnected. After manual override and verified operation of compressor circuit after jumpering jp1 and s1 in position 3. Circuit does run compressor and fan. After resetting back to position zero and jumpering jp1 again. Same condition persists. Flashing decimal points at plate temperature read out. Any Ideas how to correct this condition to allow for normal plate refrigeration operation? Thanks!

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