Appendix 8 Display Lamps (Led Diodes) - Mitsubishi FREQROL-SF Troubleshooting Manual

Display Lamps (LED diodes)
Appendix 8
Number
LED1 Lights when the converter regenerates.
Lights when the base of the inverter/converter tran-
LED2
sistor cuts off.
Watchdog alarm.
the machine is reset.
LED3
lights until the NC startup initializing operation is
completed.
LED4
Status display and alarm display
LED10 Lights when the converter voltage is charged.
Number
Encoder circuit breakage detection.
Puts off when the AC input votlage is not supplied.
Puts off when the DC voltage terminals (P5A, P15A,
the ground.
Description
Lights when the power is turned on or
In the bus linkage state,
Description
Description
Appendix 8