H10: device evaluation: the device was returned for investigation.A visual inspection and functional test were performed.Visual inspection found the device in good condition but no pressure chambers.The customer stated problem was duplicated, investigation found a faulty heather.The second customer allegation (the unit was not on fusing) could not be confirmed.Replaced both heater 1 and heater.Replaced water pump, main pcb (printed circuit board), and emi filter as preventative action.The cause of the reported problem could not be determined.A manufacturing dhr review was not performed because the results of the complaint investigation do not indicate a problem with the manufacture of the device.No causes or potential causes of the customer's reported problem were found during the review of service and repair records.
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