Vivanco UNIVERSAL SWITCHMODE AC TO DC MAINS ADAPTERS WITH USB CHARGING FUNCTION Guide de l'utilisateur télécharger pdf (Page 70)

SMPS AC/DC Reference Design User’s Guide

The LED flashes the same number of times as the fault ID of the source that caused

the fault. The source of the fault can be decoded using the values in Table 3-6 and

Table 3- 7.

TABLE 3-6: FAULT SOURCE INDICATION ON PRIMARY SIDE

TABLE 3-7: FAULT SOURCE INDICATION ON SECONDARY SIDE

Fault ID Source of Fault

1 PCB overtemperature

2 PFC output overvoltage

3 ZVT overcurrent

4 AC overvoltage

5 AC undervoltage

6 Secondary UART failure

7 System overload

Fault ID Source of Fault

1 12V Buck overvoltage

2 12V Buck undervoltage

3 Multi-phase overcurrent

4 PCB overtemperature

5 Single-phase overcurrent

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 117 118

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Vivanco UNIVERSAL SWITCHMODE AC TO DC MAINS ADAPTERS WITH USB CHARGING FUNCTION Guide de l'utilisateur Page 70