Active Line Modules; Alm Status Displays - Siemens SINUMERIK 828D Service Manual

4.10

Active Line Modules

4.10.1

ALM status displays

Status displays
The Active Line Module (ALM) has the following status displays, which provide information
about the module status:
LED state
Ready (H200) DC Link (H201)
OFF OFF
Green OFF
Orange
Red
Orange Orange
Red –
Green/ -
Red (0.5 Hz)
Green/red (2 Hz) -
Green/orange or –
red/orange
DC link voltage
Irrespective of the state of LED "DC Link", a hazardous DC link voltage can always be
present. The warning information on the components must be carefully observed!
Hardware and Software
Service Manual, 03/2010, 6FC5397-5DP20-0BA0
Description, cause
Electronics power supply is missing or outside
permissible tolerance range.
The component is ready for operation and cyclic DRIVE-
CLiQ communication is taking place.
The component is ready for operation and cyclic DRIVE-
CLiQ communication is taking place.
The DC link voltage is present.
The component is ready for operation and cyclic DRIVE-
CLiQ communication is taking place.
The DC link voltage is too high.
DRIVE-CLiQ communication is being established.
This component has at least one fault.
Note:
The LED is controlled irrespective of the corresponding
messages being reconfigured.
Firmware is being downloaded.
Firmware download has been completed. Wait for
POWER ON.
Component recognition via LED is activated (p0124).
Note:
Both options depend on the LED status when module
recognition is activated via p0124 = 1.
DANGER
Service cases - hardware
4.10 Active Line Modules
Remedy
–
–
–
Check the line supply
voltage.
–
Remove the fault and
acknowledge.
–
Carry out a POWER
ON.
–
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