Replacement Instructions for the Operator Display HP Modular Cooling System

Powering down the MCS unit
1. Open the front MCS door.
2. Turn off the AC1 and AC2 breakers on the AC transfer switch.
3. Open the rear MCS door.
WARNING: To reduce the risk of electric shock or
damage to the equipment:
• Do not disable the power cord grounding plug. The
grounding plug is an important safety feature.
• Plug the power cord into a grounded (earthed)
electrical outlet that is easily accessible at all times.
• Unplug the power cord from the power supply to
disconnect power to the equipment.
• Do not route the power cord where it can be walked
on or pinched by items placed against it. Pay
particular attention to the plug, electrical outlet, and
the point where the cord extends from the storage
system.
4. Disconnect the two AC power cables from the power
connectors, labeled Primary and Secondary, on the power
inlet box.
5. Disconnect the network cable from the RJ-45 connector on the
power inlet box.
Required tool
To complete the following steps, you will need an 8 mm socket.
Removing the operator display
1. Power down the MCS unit ("Powering down the MCS unit" on
page 2).
2. Open the front MCS door.
3. Using an 8 mm socket or wrench, remove the three nuts and
external star washers securing the operator display rear cover
to the back of the front MCS door.
4. Remove the operator display rear cover.
5. Disconnect the connector between the operator display and the
display button.
6. Disconnect the connector from the management module (1),
and pull the cable up through the cable management hose (2).