Livanova (b)(4) manufactures the heater-cooler system 3t.The incident occurred in (b)(4).A livanova field service representative was dispatched to the facility to investigate.The service representative ran the compressor and found that it got hot, but the cardioplegia and patient tanks would not cool.The coolant fluid in both tanks was inspected without any deviation from normal values.The unit was returned to livanova (b)(4) for further investigation and repair.During evaluation, a leak was identified on the evaporator, causing water to enter the cooling system, resulting in the reported issue.Corrective actions are in progress for this type of issue.
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