Siemens SIMATIC Mobile Client900WXN, Руководство по эксплуатации

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Technical support
A.2 Problem solving
Mobile Client900WXN
86
Operating Instructions, 04/2015, A5E35883103-AB
A.2 Problem solving
This section provides you with tips on how to locate and/or troubleshoot problems which
occur.
Problem Possible cause Possible remedy
No LEDs are
on or flashing
Supply voltage too low Check the voltage at the power supply input
of the connection box.
Connecting cable not plugged in Check whether the connecting cable has
been fully plugged in to the HMI device and
the connection box.
Humidity too high (condensation) Let the device dry for about 4 hours.
Only the "SF"
LED is on
"Internal error" or voltage outside
permissible range
Check the power supply or remove the device
from the power supply. Switch on the power
supply again. If the error still exists, send the
device to the Return Center in Fürth.
The "PWR"
LED flashes at
3 Hz and the
"TEMP" LED
is on
The device is outside the
permissible operating temperature
range
Move the device to warmer / cooler
surroundings until the temperature is back in
the permissible range.