The Instant Pot Duo Plus is a multi-cooker used for pressure cooking, rice, soups, beans, and weeknight meal prep. Most "failures" are actually maintenance items: sealing rings, valves, and lid parts that affect pressure and safety.
Repair is often worthwhile because many components are inexpensive and user-replaceable, and problems like steam leaks or "burn" errors can be resolved with a new seal, cleaning the valve, or replacing a small sensor-related part. Replacement becomes more reasonable if the heating element or main control board fails, the unit won't reach pressure consistently despite new seals, or there are repeated error codes suggesting internal electronics instability.
Because the unit is moderately priced, any professional repair quote near the threshold should push toward replacement. Safety matters: avoid repeated use if pressure indicators behave abnormally, and prioritize replacement if the cooker shows signs of electrical overheating or persistent pressure issues.