Yaskawa VS mini J7 Series User Manual

Page 109

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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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