A user facility biomedical technician (biomed) reported that an aquabplus 2500 experienced blown 20 amp fuses, which led to the main breaker panel tripping.
When the biomed turned on the motor protection switch, the back of the machine "sparked and zapped" to shut itself off.
There was no visible thermal damage found.
The 20 amp fuses were replaced with 25 amp fuses to resolve the issue.
The 20 amp fuses were not available to be returned for evaluation, and no pictures could be provided.
There was no report of patient involvement associated with the event.
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