CONVERTER SINGLE PHASE FAILURE
Fanuc · Series 0i-D/0i Mate-D Maintenance
¿Qué significa 607 n AXIS: CNV. SINGLE PHASE FAILURE ?
This warning signal on the Fanuc Series 0i-D/0i Mate-D αi servo system indicates a loss of one phase in the input power supply to the converter (SVWRN4, SVWRN3, SVWRN2, SVWRN1 active). Depending on the Power Supply Module (PSMR/PSM), an alarm will occur within five seconds to one minute.
Causas comunes
- Loss of one phase in the incoming three-phase AC power supply.
- Faulty or tripped upstream circuit breaker or fuse for one phase.
- Poor contact or failure in a magnetic contactor supplying power to the converter.
- Loose or damaged power wiring connections to the converter.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Measure the incoming three-phase AC supply voltage at the converter's input terminals to verify all phases are present and balanced.
- 2
Inspect all input power connections to the converter for looseness, corrosion, or damage, including fuses and circuit breakers.
- 3
Check the operation of any upstream contactors or protective devices for proper functionality and contact integrity.
- 4
Verify that the main power supply to the machine is stable and not experiencing sags or interruptions on one phase.
- 5
If input power is confirmed stable and correctly connected, inspect the converter unit for internal damage if the issue persists.