Lenovo ThinkSystem SD650 V3 User Manual page 252

Figure 213. Lower EMC shield installation
d. Repeat steps for the right side drip sensor catch basin.
4. Power down all nodes either through the OS or by pressing and holding the power button for five
seconds.
Note: Green Power LED for each node (two per compute nodes) should be blinking to indicate the
nodes are in standby state.
5. Disconnect power cords from all six enclosure power supplies.
Important: Fully disconnect the power to the entire enclosure prior to attempting to identify a leak
within an enclosure.
6. Check the water loop for any moisture.
a. Remove the top node (bays 11&12) from the enclosure (see
enclosure" on page
cover" on page
any signs of moisture. Re-install the tray into enclosure (see
page 42).
b. Repeat steps for the tray in bays 9 and 10.
c. Repeat steps for the tray in bays 7 and 8.
d. Repeat steps for the tray in bays 5 and 6.
e. Repeat steps for the tray in bays 3 and 4.
f. Repeat steps for the tray in bays 1 and 2.
Note: It is important to visually inspect the bottom of the enclosure with a flashlight prior to re-
installing the bottom most tray (bays 1 and 2) into the enclosure.
ThinkSystem SD650 V3 Neptune DWC Tray User Guide
244
40), place it on a stable work surface, remove the cover (see
43), and carefully inspect the entire water loop (both rubber and copper tubing) for
"Remove a DWC tray from the
"Remove the tray
"Install a DWC tray in the enclosure" on