YASKAWA VS MINI J7 Series Instruction Manual page 109

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Alarm Display
Digital RUN ALARM
(Green) (Red)
Operator
Inverter
Explanation
Status
EF!
(External fault)
Inverter receives an external
fault input from control circuit
terminal.
EF0: External fault reference
through MEMOBUS
communications
EF2: External fault input
command from control
circuit terminal S2
EF3: External fault input
command from control
circuit terminal S3
EF4: External fault input
command from control
circuit terminal S4
EF5: External fault input
command from control
circuit terminal S5
Protective
Operation
Output is shut
OFF and motor
coasts to a
stop.
CPF-00
Initial memory fault is
detected.
CPF-01
ROM error is detected.
CPF-04
EEPROM fault of inverter
control circuit is detected.
Causes and
Corrective Actions
Check the external
circuit (sequence).
Cycle power.
If the fault remains,
replace the digital
operator or inverter.
Cycle power. If the fault
remains, replace the
digital operator or
inverter.
• Record all parameter
data and initialize the
parameters. (Refer
to page 25 for
parameter
initialization)
• Cycle power.
If the fault remains,
replace the inverter.
109