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Chapter 2: Routine Inspection PC NC Maintenance Manual
2-1
Chapter 2: Routine Inspection
This chapter includes the requirements to maintain optimum operating conditions over
time.
2.1 Routine Inspection
The table below details routine inspection of the PC NC.
* With the exception of inspections made while the NC is in the energized state (i.e., external cleanliness,
vibration, noise, etc.), turn off the source power supply to the NC before undertaking routine maintenance
service. To remove power completely from the NC, turn off the main circuit breaker on the power panel
of the machine.
2.2 Battery
To determine whether the battery must be replaced, and replacement directions,
follow the steps below.
1. Press the Power OFF button.
Table 2.1: Routine Inspection
Area Inspect Item Frequency
System
OFF/ON*
Remarks
Battery Verify battery alarm
LED is on.
At power on ON If alarm LED is on, replace battery.
Servo motor Vibration and noise Daily ON Feel by hand; listen by ear.
Motor contamina-
tion and damage
Daily (or as
required)
ON and OFF Visual inspection
Fan Air flow Monthly ON and OFF Feel by hand; listen by ear.
Touch screen Clean Daily ON and OFF Use clean rag.
Calibrate Monthly ON Use Calibration Screen.
Control panel Verify doors are
tightly closed.
Daily OFF Visual inspection
Verify tight fit, no
gaps in the side
plates, and door
gaskets are not
worn.
Monthly OFF Visual inspection
- YASNAC PC NC 1
- Maintenance Manual 1
- Contents 2
- Electrical Connection 4
- PC NC case 5
- Connection Between Devices 6
- Connector Layout NC Side 7
- NAC JZNC-JFC10 board 7
- 1.2 General Specifications 8
- All dimensions in millimeters 9
- 246 10
- 6 x 4.16 10
- Table 1.3: Heat Generation 12
- 2.1 Routine Inspection 14
- 2.2 Battery 14
- 2.3 Servo Motor 16
- 2.5 Touch Screen 18
- 2.6 Control Panel 19
- Chapter 4: Troubleshooting 22
- Troubleshooting (1) 25
- Table 4.11: Jog Feedrate 42
- Deceleration switch signal 46
- (*DCX signal) 46
- Figure 4.2: Spindle Rotation 49
- During boot up of the PC NC 53
- 01:Overcurrent 56
- 05: Overload 57
- 11:Output overvoltage 57
- 12:Power circuit low voltage 58
- F0:ROM is defective 62
- F1:EEPROM is defective 62
- F5:CPU is defective 63
- .. : Control card fault 63
- AL-01:Overcurrent 68
- AL-02:Ground fault 69
- AL-31:Motor overspeed 75
- AL-33:The load is abnormal 76
- AL-60:Tuning incompletion 80
- AL-65:INC signal error 83
- AL-A4:YENET1200 card error 3 87
- AL-F0:ROM is defective 92
- AL-F2:EEPROM is defective 2 93
- AL-F3:EEPROM is defective 3 93
- AL-F4:EEPROM is defective 4 93
- The motor does not rotate 95
- The motor reverses 96
- The motor does not stop 97
- Cause and measures 100
- The VS-626M5 101
- Operation 103
- Operation Of Digital Operator 104
- Maintenance and Inspection 105
- 4.3 Receiving 107
- 2 7P5 5 E * 108
- Upper and Lower Covers Opened 109
- 4.4 Installation 111
- Heat Sink 112
- (a) Front View (b) Side View 112
- (a) Front View 113
- (b) Side View 113
- 4.5 Wiring 114
- AC Reactor (L) (Note) 115
- P1N1 Power Cable 116
- A general-purpose noise 119
- Figure 4.14: Grounding 122
- 7. Main Circuit Configuration 125
- 8. Parts Required for Wiring 129
- 9. Control Signal Connectors 135
- Wiring The Control Circuit 137
- 1. Control Signals 137
- 51CN 5CN, 52CN 143
- 3CN (Option) 144
- (a) 0V Common 146
- (b) +24V Common 146
- (c) External Common 146
- 4.6 Operation 149
- (a)@Flange-mounted Type 150
- (b)@Foot-mounted Type 150
- Run Command 151
- (Fault occurrence No.) 152
- 4.7 Digital Operator 154
- RUN STOP 156
- Note: “—” is not displayed 157
- Numbers Letters 157
- 65432 10 158
- Display Example 166
- 626M5 and the VS-656MR5 168
- 4.9 Troubleshooting 170
- Fault Cause Corrective Action 177
- Chapter 5: Adjustments 181
- Location Explanation 182
- 6.1 CPU Rack 183
- 6.2 CRT Display Unit 190
- 6.3 Floppy Disk Drive Unit 199
- 6.4 NC Power Supply 200
- 6.6 Noise Filter 202
- Chapter 7: Memory Option 203
- 8.1 NC Data Handling 205
- Restore Kit Contents 235
- 1. External CD ROM Drive 235
- • EXP computer, INC CD-865 235
- 26. Click the Next button 243
- 7. Touch the Close button 250
- 10. Touch the Start button 253
- Common Instructions 254
- Next button 254
- Yes button to agree 255
- 8.4 CNC Card Software Update 274
- ON < 275
- 8.5 Manual Page Customization 284
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