Technical support
A.2 Problem solving
Mobile Client900RXA
152
Operating Instructions, 07/2015, A5E36360099-AA
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.
Содержание SIMATIC Mobile Client900RFN
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