Siemens SIMATIC PM-E - 3 Diagnostics; Diagnostics Using LED Display

Power module PM-E DC24V (6ES7138-4CA01-0AA0)
Manual, 04/2007, A5E01119952-02
13
Diagnostics
3
3.1
Diagnostics using LED display
Power module
LED displays on the power module:
①
Batch error (red)
②
Load voltage (green)
Status and error displays by means of LEDs on power modules
The table below shows the status and error displays on the power module.
Event (LEDs)
Cause
Remedy
SF
PWR
On No parameter assignment or incorrect
module plugged in. A diagnostic message
is pending.
Check the parameter assignment.
Evaluate the diagnostics.
Off There is no load voltage at the power
module.
Check the load voltage.