YASKAWA VS MINI J7 series - Troubleshooting

8. Fault Diagnosis
103
Note: To display or clear the fault history, refer to page 41.
Stops accord-
ing to con-
stant
STP (Emergency
stop)
The Inverter stopped ac-
cording to constant n04
after receiving the emer-
gency stop fault signal.
Check the external circuit
(sequence).
• Insufficient power
supply voltage
• Control power supply
fault
• Hardware fault
Check the following:
• Power supply voltage
• Main circuit power
supply connections
• Terminal screws:
Loose?
• Control sequence.
Replace the Inverter.
Fault Display Inverter
Status
Description Causes and Correc-
tive Actions
Digital
Operator
RUN (Green)
ALARM (Red)
or
(OFF)