LEESON NEMA 4X SCR Control: 174107.00 - Manual (Page 41)

35
Power and Current Limit LEDs
174102, 174103 & 174107 drives are equipped with a green,
PCB-mounted power LED and a red, PCB-mounted current limit
LED.
POWER LED (IL502)
The green power LED turns on when AC line voltage is applied
to the drive.
CURRENT LIMIT (IL501)
The red current limit LED turns on when the drive reaches
current limit and turns off whenever the drive is not in current
Figure 18. Current Limit LED
SO50
1
INHIBIT
S
1
S
W
50
2
IC501
IC502 C501
C502
PO
WER
IL502
IL501
CURRENT
LIMIT
C50
4
ACCEL TQ LIMIT DECEL
POWER LED (IL502) CURRENT LIMIT LED (IL501)
Troubleshooting