Troubleshooting - Siemens SIMATIC IOT2050 Operating Instructions Manual

Technical support
A.2 Troubleshooting
A.2

Troubleshooting

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