Siemens 6ES7647-0BA00-0YA2 - Troubleshooting

Technical support
A.2 Troubleshooting
SIMATIC IOT2050
62 Operating Instructions, 03/2020, A5E39456816-AA
A.2 Troubleshooting
Error pattern
Possible cause
Possible remedy
Host monitor flashes black for a
few seconds when you insert
the DC connecting terminal to
the device.
You turned the switch on before
you connect the DC connecting
terminal.
Avoid turning on/off the device
by plugging /unplugging the DC
connecting terminal.
Use a external switch to control
the power of the device.
User button can't work when
Arduino shield reset pin is work-
ing.
User button and Arduino inter-
face reset pin can't work at
same time.
Avoid using user button and
Arduino interface reset pin at
the same time.