Min Supply Voltage μC1 Not Met

What does 0103 hex mean?

This diagnostic code (found within FA00:03 Supply error) signifies that the supply voltage to the primary microcontroller (μC1) has fallen below its minimum permissible limit. Undervoltage can lead to unstable operation, incorrect processing, or unexpected shutdowns of the terminal, affecting its safety functions.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Inspect the power supply cables and connections for any signs of voltage drop or loose contacts.