Operation
ETAS
24
AC Voltage Distributor ES4700.1-B
7.5
Status LEDs
There are several status LEDs available to indicate the function state of the internal power
supplies and errors states.
Fig. 7-8
Status LEDs
7.5.1
DC Power Supply LEDs
The LEDs called 5V, +12V,-12V, 48V indicates whether the respective voltage is available at
the X8 connector on the back side.
7.5.2
CONTROL 24V LED
CONTROL 24V indicates whether the internal 24V is available.
7.5.3
TEMPERATURE FAIL LED
TEMPERATURE FAIL indicates whether the system is shut off by the thermo switch circuit.
7.5.4
EMERGENCY-STOP-EXTERNAL
EMERGENCY-STOP-EXTERNAL indicates whether the system is shut off externally.