Problem Solving; A.2 Problem Solving - Siemens SIMATIC Mobile Client900RFN 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
152
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, 07/2015, A5E36360099-AA
Mobile Client900RXA