YASKAWA VS MINI J7 series, Instruction Manual, Page: 109 / 118

109
Protective
Operation
Output is shut
OFF and motor
coasts to a
stop.
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
Check the external
circuit (sequence).
CPF-00
Initial memory fault is
detected. Cycle power.
If the fault remains,
replace the digital
operator or inverter.
CPF-01
ROM error is detected. Cycle power. If the fault
remains, replace the
digital operator or
inverter.
CPF-04
EEPROM fault of inverter
control circuit is detected. • Record all parameter
data and initialize the
parameters. (Refer
to page 25 for
parameter
initialization)
• Cycle power.
If the fault remains,
replace the inverter.
Alarm Display
Inverter
Status
Explanation
Causes and
Corrective Actions
Digital
Operator
RUN ALARM
(Green) (Red)
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