Commissioning
SIMATIC - EM 300 Motor Starters
3-10
GWA-4NEB 640070302-05
3.2.3
Diagnostics
Diagnosis via LEDs
During operation, the LEDs on the motor starter EM 300 EDS/ERS indicate the
following statuses:
LED
Function
Indication
Status
DC 24 V
Auxiliary power
Steady green light
Auxiliary power applied
Off
Auxiliary power missing
STATE
(from
Version 2)
Control by bus/
hand-held control-
ler
Steady green light
Control signal applied
READY
Initial state
Steady green light
Device ready for operation
RUN
Operating state
Steady yellow light
Main circuit on
if current flow > 20 % I
n
FAULT
Fault
Steady red light
Main circuit off
, e.g. after
•
failure of two phases
•
motor connector pulled out
•
supply voltage dip (< 18 V)
•
simultaneous activation of clockwise
and anticlockwise rotation
OVER-
LOAD
Overcurrent signal
Flashing red
Main circuit on
Overload release
test
Flashing red
Flashes quickly
Flashes slowly
Main circuit off
Test running
Test completed
Overload release
Steady red light
Main circuit off
•
Rotary encoder switch in position
tripping LOCAL:
Direct shutdown
•
Rotary encoder switch in position
tripping REMOTE:
Remote shutdown if the relevant set-
tings have been made in the user
program
Overload signal
Steady red light
Main circuit on
•
Rotary encoder switch in position
tripping REMOTE:
Operation is continued if the relevant
settings have been made in the user
program.
Summary of Contents for SIMATIC EM 300
Page 40: ...Commissioning SIMATIC EM 300 Motor Starters 3 12 GWA 4NEB 640070302 05 ...
Page 46: ...Hand held Controller SIMATIC EM 300 Motor Starters 4 6 GWA 4NEB 640070302 05 ...
Page 58: ...SIGUARD Safety Integrated SIMATIC EM 300 Motor Starters 6 4 GWA 4NEB 640070302 05 ...
Page 64: ...Dimension Drawings SIMATIC EM 300 Motor Starters B 2 GWA 4NEB 640070302 05 ...
Page 70: ...Selection Help SIMATIC EM 300 Motor Starters D 4 GWA 4NEB 640070302 05 ...
Page 72: ...SIMATIC EM 300 Motor Starters Index 2 GWA 4NEB 640070302 05 ...
Page 74: ...GWA 4NEB 640070302 05 ...