Panasonic PT-DZ21K2 PT-DS20K2 PT-DW17K2 PT-DZ16K2 Error U81: Low AC voltage warning (below 170 V)

Panasonic projector · taken from the manufacturer’s manual, pages cited

Error codeU81

The projector is detecting an AC voltage below 170 V. The manual's first action is: “The input supply voltage is low. Use electric wiring that can sufficiently withstand the power consumption of the projector.”

Model
Panasonic PT-DZ21K2 PT-DS20K2 PT-DW17K2 PT-DZ16K2
Display shows
Low AC voltage warning (below 170 V) (U81)
Type
Error code
Source
Manual p. 190

What U81 means

Low AC voltage warning (below 170 V) p. 190

What to do

  1. The input supply voltage is low. Use electric wiring that can sufficiently withstand the power consumption of the projector. p. 190

Before you service the product, read the safety instructions in the manual p. 5.

If U81 is still not resolved

  • Use electric wiring that can sufficiently withstand the power consumption of the projector. p. 190
    “Use electric wiring that can sufficiently withstand the power consumption of the projector.”
Open the manual at page 190 All PT-DZ21K2 PT-DS20K2 PT-DW17K2 PT-DZ16K2 error codes Manual details & download

This page summarises what the manufacturer’s manual says about U81; 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.