C
L E A R
P
A T H
- S C
U
S E R
M
A N U A L
R
E V
.
1 . 3 6
4 0
T
EKNIC
,
I
NC
. T
EL
.
(585)
784-7454
POWER4-HUB
LED
S
POWER
DROPOUT
AUX-SHDN
OVERTEMP
OVERLOAD
POWER4-HUB LEDs
LED Name
Color
LED On Indicates
LED Off Indicates
POWER
24V Power
Green
Normal operation.
Aux. 24V supply voltage detected.
Aux. 24V supply voltage
not detected. Hub not
functional.
OVERLOAD
Output Bus Overload
Red
Short (or near short) circuit at bus
output. Power Hub electronically
disconnects bus input from bus
output in this case as a protective
measure.
Normal operation.
OVERTEMP
Board Thermal Shutdown
Red
Board temperature has exceeded
105
°
C. (Note: After an overtemp
event, LED will turn off when board
temp falls below 95
°
C.)
Normal operation.
(Board temp is < 105
°
C.)
DROPOUT
75V Dropout LED
Red
Bus supply has "dropped out",
meaning the DC Bus has fallen below
18.2 VDC. Aux. power is active.
Normal operation.
AUX-SHDN
Aux. Power Overload
Red
Motor bus has dropped out and aux.
supply is in an overloaded state. (The
motor load has exceeded 1000mA for
>20mS.) This is a latching shutdown.
You must cycle the aux. power
supply to clear.
Normal Operation