Diagnostics; Diagnosis Using Leds - Siemens ASM 456 Operating Instructions Manual

Diagnostics

6.1

Diagnosis using LEDs

The following figure shows details of the LEDs of the ASM 456.
Figure 6-1
Table 6- 1
ACT_1, ACT_2
ERR_1, ERR_2
ASM 456 interface module
Operating Instructions, 07/2015, J31069-D0162-U001-A6-7618
LEDs of the ASM 456
Status LEDs for ASM 456
LEDs
ON Lights up when there is logic voltage at the ASM (is generated by the 24 V sup-
ply voltage).
DC 24 V Lights up when the 24 V supply voltage is connected to the ASM.
Lights up when the reader processes a user command.
(no significance with RF200/RF300/RF600, MOBY D/U)
A flashing pattern indicates the last error to occur.
1)
Meaning
6
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