Diagnostic leds, Power led, Enable led – LEESON FHP Series NEMA 4x Variable Speed Drive User Manual
Page 53: Fault led

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POWER LED
The green POWER LED is on when AC line voltage is
applied and the control’s low-voltage power supply is
operational.
ENABLE LED
The red ENABLE LED turns on whenever the inverter
output is enabled.
FAULT LED
The red FAULT LED blinks on and off when the drive output
is locked out or not ENABLED and any one of the following
fault conditions occur:
1. Overvoltage
• FHP Series 230AC controls: DC bus exceeds 400 VDC
2. Undervoltage
• FHP Series 230AC controls: DC bus drops below 200 VDC
3. Instantaneous Overcurrent Trip - Inverter output current has
exceeded safe levels (250%).
Note:
The FAULT condition must be reset using the ENABLE function of
the FHP (opening and closing the ENABLE input).
Diagnostic LEDs
The 175326.00 is equipped with diagnostic LED's
to assist the user in troubleshooting and monitoring
equipment status while in use. Refer to Figure 21 (page
45) for diagnostic LED locations.