If the red blinking light is caused by a physical motor or laser failure (mechanical failure), this firmware fix will not work, and the unit will require a professional repair or replacement. Risk of Bricking:
The rescue process typically requires two files found in your SteamVR directory under tools\lighthouse\firmware\lighthouse_tx\archive\htc_2.0 : lighthouse_tx_htc_2_0-calibration-rescue-244.bin (The Fix) lighthouse-tx-htc-2-0-calibration-rescue-244.bin