Siemens SINAMICS MV 9LD4110-7EX70-1AA0 Operating Instructions Manual page 109

Indicator light
H22
H23
H24
If a fault or an alarm becomes active, the lamp flashes for 5 seconds. It then switches to the
continuous light state. If a new message is occurs while the lamp is continuously lit, the lamp
begins to flash again for 5 seconds and then is again continuously lit. The lamp is extinguished
once the cause of the problem has been resolved.
LED for Sirius safety relay
Device
Green
Green
Green
LEDs of the Power Stack Adapters
Table 8-2 LEDs of the Power Stack Adapters
LED Color
PWR -
Red
Green
3rd Party LCI Control Upgrade
Operating Instructions, 02/2022, A5E31872818
Action
Green Continuous light
Green Flashing light
Yellow Flashing / contin‐
uous light
Red Flashing / contin‐
uous light
LED
Out Line
Green On
Off
Off
Off Off
Status Description; cause
Off 24 V power supply has failed or is too low
(< 14 V) or internal fuse defective.
Continuous 24 V power supply is available (>14 V);
light internal board voltage fault.
Continuous 24 V power supply OK.
light
Internal board voltages OK.
Meaning
The converter is ready to start. All circuit breakers are
switched off. OFF2 or OFF3 are not active.
All circuit breakers are switched off. The converter is, how‐
ever, not ready to start. An OFF2/OFF3 or a fault is active.
Warning
Fault
Operation
Sensor Start pushbutton
Not confirmed Was confirmed
Was confirmed
Not confirmed
Fault
Cross-circuit or no power supply
8.5 Fault and system messages
Safety-related output
Closed
-
-
Remedy
Check input voltage.
If input voltage is > 18 V and LED off:
Return component for repair.
Check input voltage.
If input voltage is > 18 V and LED red:
Return component for repair.
--
Operation
Open
Open
Open
107