Oracle SPARC M8 Service Manual page 236

Remove a Power Module
Caution -
performing this procedure.
1. Determine which power module requires service.
See "Identify Faulted Components" on page
2. Take the necessary ESD precautions.
See "Prevent ESD Damage" on page
Power down the server and switch off the appropriate PDU circuit breakers.
3.
See "Removing Power From the Server or Domain" on page
4. Locate the power module at the rear of the server.
See "CMIOU Chassis Rear Components" on page 21
(SPARC M7-16)" on page
5. Complete the following steps to gain access to the power module:
Remove the following components from the impacted chassis.
a.
See
b. Remove the SPs and SP tray from the impacted chassis.
See
c. Unseat the power supplies in the impacted chassis.
See
Remove all PDECBs from the impacted chassis.
d.
See
236 SPARC M8 and SPARC M7 Servers Service Manual • September 2017
Remove AC power using the circuit breakers on the appropriate PDU before
25.
"Servicing CMIOUs" on page 83
"Servicing SPs" on page
"Servicing Power Supplies" on page
"Servicing PDECBs" on page
36.
61.
or "Switch Chassis Rear Components
or "Servicing Switch Units" on page
117and "Servicing SP Trays" on page
165.
199.
69.
189.
243.