Service cases - hardware
4.12 Smart Line Modules
Hardware and Software
Service Manual, 03/2011, 6FC5397-5DP40-0BA0
165
4.12 Smart Line Modules
4.12.1 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 state Description, cause Remedy
RDY DC LINK
–- OFF Electronics power supply is missing or outside
permissible tolerance range.
–-
Continuous
green light
-- Component is ready. --
Continuous
yellow light
-- Precharging not yet complete.
Bypass relay has dropped-out.
EP terminals are not supplied with 24 V DC.
--
Continuous
red light
-- Overcurrent trip due to overtemperature. Diagnose fault via output terminals
and acknowledge via input
terminal:
-- Continuous
yellow light
DC link voltage in the permissible tolerance range. --
-- Continuous
red light
Line supply faults: DC link voltage outside the
permissible tolerance range.
Check the line supply voltage.
DANGER
DC link voltage
Hazardous DC link voltages may be present at any time regardless of the state of the
"DC Link" LED. It must be checked that it really is in a no-voltage condition.
The warning information on the components must be carefully observed!
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