YASKAWA VS-626M5 Specifications download pdf (Page 16)

Chapter 2: Routine Inspection PC NC Maintenance Manual

2-3

Note: • Replace the battery as soon as possible after the power goes OFF to avoid

data loss.

• Do not turn the power ON and OFF in rapid sequence.

• Wait 4 to 5 seconds after the power has been turned ON before turning the

power OFF.

7. With the power ON, ensure that the “Message Alarm” display on the CRT and

the red LED at the front of the JZNC-JFC10 PCB is OFF.

Note: If the “Message Alarm” display on the CRT or the red LED on the front are

still illuminated, the probable cause is improper battery connection, or a

defective battery.

When alarms 2121 or higher (encoder battery errors) occur, DGN #35024

(*BALM) is not output. When DGN #35024 (*BALM) is output, the LED

goes on only when the CMOS backup battery is exhausted. This battery dif-

fers from the encoder batter.

2.3 Servo Motor

Inspect the servo motor daily as follows.

Table 2.2: Servo Motor Inspection

Inspect Item Remarks

Vibration and noise Vibration can be checked by resting the hand on the motor.

Noise can be checked by using a listening stick. Contact mainte-

nance personnel immediately when any abnormality is found.

Motor contamination and damage Visually check the motor exterior. If dirt or damage are

observed, inspect the motor by removing the machine cover.

Refer to the machine manufacturer’s manual.

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YASKAWA VS-626M5 Specifications Page 16