2 Basic repair procedures Chapter E: Basic repair procedures
102 Planmeca PlanMill 40 Technical manual
2.2.2 CPU module
Tools required
• metric Allen key set
Figure 84: CPU module
Components of the CPU module can be damaged by electrostatic discharge. Be
sure to ground yourself properly before handling these components.
Removal
1. Remove the top cover and right side panel, see appropriate procedure in the manual.
2. Power the milling unit down.
3. Be sure to switch off the power at the power entry module or unplug the power cord
before removing the CPU module.
4. Remove the five button head screws securing CPU module to chassis using a 2 mm
Allen key.
5. Grab top and bottom edges of CPU module and slide module out of upper electronics
box.
Install
1. Position the CPU module in upper electronics box, carefully align the top and bottom
card slot guides.
2. Slide the CPU module in place; it should slide freely until the edge connector
interfaces the backplane connector. At this point some resistance will be felt. Apply an
even firm force to the face of the module to seat it fully.
3. Secure the CPU module in upper electronics box with five button head screws using
the 2 mm Allen key.
Verify
1. Plug in system and press the Power button to boot the system.
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