A fresenius field service technician (fst) reported finding heat damage on the power plug of a 2008t machine.
The damage was found while the fst was performing a semi-annual preventive maintenance (pm) check.
The fst reported there was blackening around one of the prongs and stated that the plastic plug exhibited signs of melting.
There was no burning smell, smoke, or arcing noted.
In addition, there were no reports of sparks or flames.
No damage was identified on any other components.
The machine had approximately 9,860 hours on it.
When in use, the machine is plugged into a hospital grade ground-fault circuit interrupter (gfci) outlet.
There was no previous history of the machine failing the electrical leakage test.
The fst replaced the power cord to resolve the reported issue.
After the repair was completed, the machine underwent and passed functional testing.
The machine has reportedly been returned to service.
The damaged part was discarded and was therefore not available to be sent back for physical evaluation.
There was no patient involvement associated with the reported event.
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