Exhaust air temperature error indicates overheating due to high ambient temperature or blocked exhaust port. The manual's first action is: “The operating environment temperature is too high, or the air exhaust port may be blocked. Use the projector in an appropriate operating environment temperature¹. Or remove any objects that are blocking the air exhaust port.”
- Model
- Panasonic PT-DZ21K2 PT-DS20K2 PT-DW17K2 PT-DZ16K2
- Display shows
- Exhaust air temperature error (U23)
- Type
- Error code
- Source
- Manual p. 190
What U23 means
Exhaust air temperature error p. 190
What to do
- The operating environment temperature is too high, or the air exhaust port may be blocked. Use the projector in an appropriate operating environment temperature¹. Or remove any objects that are blocking the air exhaust port. p. 190
Before you service the product, read the safety instructions in the manual p. 5.
If U23 is still not resolved
- Use the projector in an appropriate operating environment temperature¹. Or remove any objects that are blocking the air exhaust port. p. 190 “Use the projector in an appropriate operating environment temperature¹. Or remove any objects that are blocking the air exhaust port.”
This page summarises what the manufacturer’s manual says about U23; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Panasonic. Found a mistake? Report an error.