Troubleshooting | "External Flash Data Invalid" Error - PLD/DPA/CXD Series Amplifier Models

Gain insights into troubleshooting External Flash Data Invalid issues on PLD/DPA/CXD Series Amplifier Models.

Updated at May 10th, 2023

Affected Products

Hardware Model/Series

CXD/PLD/DPA Series Amplifiers




"External Flash Data Invalid" shows on LCD Display.


Could be the external flash date corrupted

Solution | Workaround

To recover the external flash data, please follow below instructions:

  1. Download the latest Amplifier Navigator on PC or MAC Computer from QSC Web site.
  2. Open the Amp Navigator App on your  computer, then turn on your amplifier and connect it to the computer via provided USB cable.
  3. Run the firmware by click on "update" . It will override the corrupt data.
  4. If the update firmware is successful but the amplifier LCD Display remains dark, then reset the amplifier by turn the rear power switch to off position then turn it back on. The amplifier should be back on with the correct  firmware version.