YASKAWA VS-626M5 Instruction Manual download pdf (Page 57)

1.Servo-related nc alarm

NO.0713 READY ON

2-７

0713

□ READY ON ERROR

V-READY is still ON (diagnosis “0007 bit2 = 1”) even though the P-READY is

OFF (diagnosis “0007 PRD”).

To release the alarm, make the reset key ON by eliminating the cause.

When the parameter “1815 VOC = 1,” the alarm will be cancelled.

※ This alarm rarely occurs; however if it is the case, the cause may be the

troubles of the magnet contactor or the relay.

0714

□ ENCODER DISCONNECT

Disconnection of the encoder signal, phase A and phase B, and the ZERO

signal line

To release the alarm, make the reset key ON by eliminating the cause.

The encoder signal can be seen in a general diagnosis.

Diagnosis No. 0006 ENA: Phase A signal

ENB: Phase B signal

ENZ: ZERO signal 1: ON

Items Cause of Trouble How to Verify Measures

Improper cable

connection

Verify the connection and wiring of

the encoder return cables.

Correct the cable

connection and

wiring.

Inferior EPS3

board

Replace the EPS3

board.

Inferior encoder

of the servo

motor

Replace the motor

or the encoder.

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YASKAWA VS-626M5 Instruction Manual Page 57