A:AnswerHi Judi - Thanks for choosing GE Profile Model PVM9005SJSS and welcome to the family. We are sorry to hear the display is flashing strange characters and apologize for any concern and inconvenience this has caused. Fault codes are programmed in all microwave oven controls. These codes help our technicians quickly diagnose issues with the microwave oven. We suggest viewing the following link - MICROWAVE ERROR, FAULT OR FUNCTION CODES: https://products.geappliances.com/appliance/gea-support-search-content?contentId=16575 - We suggest turning off power at the circuit breaker (or unplug) for 30 seconds to reset the electronics. To reset the clock, view the Use and Care Manual here: https://products.geappliances.com/MarketingObjectRetrieval/Dispatcher?RequestType=PDF&Name=49-40756-2.pdf - A technician may be required for an accurate diagnosis. To schedule service online visit: https://www.geappliances.com/ge/service-and-support/service.htm - We hope this is helpful. If you have any additional questions, don’t hesitate to ask. We are also happy to help at GEAppliances.com! Sue
