Troubleshooting Leds - Parker AC890 Product Manual

Troubleshooting LEDs

In addition to the diagnostics provided by the keypad, eight fault LEDs situated on the power control board
provide an indication of the cause of a fault trip. The fault LEDs are visible when the bottom terminal cover
is removed. The table below indicates the function of the LEDs.
Output overcurrent
M1 phase IGBT fault alarm
M2 phase IGBT fault alarm
M3 phase IGBT fault alarm
9-26
Page
Fault Illuminated LEDs

       
 Ouput current greater than trip level -
check ouput wiring and motor for
insulation breakdown or short circuits
either between phases or between
phase and earth
 Excessive output current
 
 
Action
890SD Standalone Drive - Frames G, H & J