Aot4221sr Firmware — Update Better [2021]

An automotive tier-1 supplier had a recurring issue: every 72 hours, their AOT4221SR-based motor controller would lock up, requiring a manual reset. After logging diagnostic data, they noticed a memory leak in the old firmware’s CAN message queue.

LED flashes red 5 times. Fix: This indicates a corrupted application vector. Re-flash the firmware using the bootloader (the UPDATE jumper method always works, even after a bad flash). aot4221sr firmware update better

One of the most critical reasons to update is to protect against . An automotive tier-1 supplier had a recurring issue: