Smart Line Modules; Slm (< 16 Kw) Status Displays - Siemens SINUMERIK 828D Service Manual

4.9

Smart Line Modules

4.9.1 SLM (< 16 kW) status displays
Status displays
The 5 kW and 10 kW Smart Line Modules have the following status displays, which provide
information about the module state:
LED Color
READY –
Green
Yellow
Red
DC LINK –
Yellow
Red
DC link voltage
Irrespective of the state of LED "DC Link", a hazardous DC link voltage can always be
present. It must be checked that it really is in a no-voltage condition.
The warning information on the components must be carefully observed!
Hardware and Software
Service Manual, 03/2010, 6FC5397-5DP20-0BA0
State Description, cause
OFF Electronics power supply is missing or outside
permissible tolerance range.
Continuous Component is ready.
light
Continuous Precharging not yet complete.
light
Bypass relay has dropped-out.
EP terminals are not supplied with 24 V DC.
Continuous Overtemperature
light
Overcurrent trip
OFF Electronics power supply is missing or outside
permissible tolerance range.
Continuous DC link voltage in the permissible tolerance
light range.
Continuous DC link voltage outside the permissible
light tolerance range.
Line supply fault
DANGER
Service cases - hardware
4.9 Smart Line Modules
Remedy
–
–
–
Diagnose the fault (using the
output terminals) and
acknowledge (using the input
terminal)
–
–
Check the line supply voltage.
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