Alarm, error and system messages
9.3 LED display on the power, electronic and pneumatic interface modules
ET 200pro distributed I/O system
230
Operating Instructions, 03/2013, A5E00335544-08
9.3
LED display on the power, electronic and pneumatic interface
modules
9.3.1
LED display on the PM-E power module
Introduction
The LED display (2 LEDs) resides on the front panel of the power module.
LED display
The figure below shows the layout of the LED display of the PM-E DC 24V power module:
①
SF: Group error, red LED
②
DC24V: Load voltage supply 2L+ (green LED)
Status and error displays SF, DC24V
Table 9- 9
Status and error displays of PM-E DC 24V
LEDs
Meaning
To correct or avoid errors
SF
DC24V
*
on
Load voltage 2L+ present at the
power module.
---
On
*
Load voltage 2L+ missing at the
power module.
Switch on the load voltage 2L+.
Check the fuse.
* irrelevant