IBM Power775 Service Procedure page 115

• Tank Level:
16. Verify that the DE is powered-off.
Verify DE position for drain procedure.
17. Before proceeding, read required safety information:
CAUTION:
The water-based coolant solution may contain an additive intended to inhibit corrosion (or provide
other functions). The solution may cause irritation to the skin or eyes. Avoid direct contact with the solution. Employ
appropriate Personal Protective Equipment when performing operations involving the coolant or which may
potentially expose you to the coolant. Refer to the MSDS for more information. (C037)
CAUTION:
Protective eyewear is needed for the procedure. (L011)
CAUTION:
Chemical resistant gloves are needed for this procedure. (L014)
DANGER:
Risk of electric shock due to water or a water solution which is present in this product. Avoid working
on or near energized equipment with wet hands or when spilled water is present. (L016)
18. Verify DE position for drain procedure.
• If the DE is not installed in the system – continue to next step.
• If the DE is installed in the system – action required.
Disconnect the left and right main water connections from the DE to be drained.
NOTE: Do not disconnect water connections on a DE that has not been powered off.
Loss of water flow will result in DE overheating and failure.
Power775 Disk Enclosure Chassis Service Procedure
---- Appendix D: DE Drain Procedure ----
CRITICAL – click the Decode Error Status button, record the information
returned and contact next level of support.
Lower Half or Empty– OK. Continue to next step.
Full or Upper Half – action required.
Exit this procedure and complete a Fill and Drain Tool (FDT) Tank Drain
Procedure.
Once FDT tank level is Lower Half or Empty, return to this step and
continue with procedure.
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