Problem Solving - Siemens SIMATIC Mobile Client900WXN Operating Instructions Manual

Technical support
A.2 Problem solving
A.2

Problem solving

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