4.5.3
Status display MCP interface PN
LEDs for status display
For the MCP interface PN, the following LEDs provide information about the module status:
+ +
+ +
Figure 4-8
Status display
Meaning of the LED
H500
(green)
PowerOK
H501
(green)
PN Sync
H502 (red)
PN fault
H505 (red)
OVTemp
Power OFF
OFF
OFF
OFF
OFF
Power ON (voltage is stable)
ON
OFF
OFF
OFF
Boot software runs and the system software
is loaded
ON
ON
ON
OFF
The system software is booting
ON
OFF
OFF
OFF
The system software is running, no commu‐
nication to the controller
ON
OFF
OFF
OFF
STOP state: The system software is run‐
ning, communication to the controller
ON
ON
OFF
OFF
RUN state: The system software is running,
communication to the controller
ON
Flashes at
0.5 Hz
OFF
OFF
Overtemperature alarm
--
--
--
ON
4.5.4
This is how you remove the MCP interface PN
Removing
If the module has a hardware defect, then it must be replaced by an identical part.
Precondition: The control cabinet is in a no-voltage condition, all of the connectors and cables
are labeled.
Service cases - hardware
4.5 Machine control panels
Software and hardware
96
Service Manual, 08/2018, 6FC5397-5DP40-6BA1