YASKAWA VS-626M5 Specifications download pdf (Page 190)

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101

PC NC Maintenance Manual Chapter 6: Module/Unit Replacement

6-8

6. Verify that the NC operates normally after the SERVO ON switch

is pressed and no alarms show on the MMI screen.

7. Determine whether there are any CPU rack fan related alarms.

8. Wait a few minutes and then check the CPU Monitor screen on

the MMI to determine whether the CPU temperature is within the

normal range (i.e., below 30°C).

9. Check the CPU Monitor screen on the MMI to determine whether

the CPU rack fan is working properly. The fan speed readout

should be approximately 2500rpm.

10. Verify that the NC starts the shut-down sequence after the SHUT

DOWN switch is pressed.

6.2 CRT Display Unit

14” Color CRT

Remove the CRT display unit as follows.

1. Verify that the main power is off.

2. Remove all connectors and wiring from the back of the display

unit.

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YASKAWA VS-626M5 Specifications Page 190

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