Customer reported device showed error code "ee" on the heat side.No adverse event reported.
Event or Problem Description
Customer states that while on cardiopulmanary bypass (cbp), heater cooler alarmed and stopped functioning.The right hand side of heater cooler (heat side) showed "ee" instead of temperature, and water was not flowing.User attempted a reboot resulting in the same error message.Waterlines were quickly changed to a different cooler.No adverse event reported.