Control Board for XFA

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	15 minutes	35 minutes

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard Tool	1	-	-	-

Table 3. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
Control Board for XFA (Refer to Illustrated Parts)	1	-	-	-

Table 4. Safety

Warning

ELECTROCUTION HAZARD!

DANGEROUS AND OR FATAL VOLTAGES ARE PRESENT IN THE ENERGIZED CABINET.

Follow loto steps as given in first section of this document to disable and verify safe voltage levels.

Table 5. Required conditions
Condition	Reference	Effectivity
System Power must be turned OFF. Refer to System Cabinet PDU Main Breaker LOTO Procedure.	-	-

Remove L Upper Front Cover. Refer to SC Cover Removal.
Disconnect the two connectors of leak sensor assy.
Remove the cabinet leak sensor assy by loosening 6 screws.

Figure 1. Remove Leak Sensor
Loosen 2 screws of control board for XFA.
Open two extractor levers, and remove control board from XFA.

Note:
The control board can be removed/inserted to the socket by lifting up a little.

Figure 2. control board
Restore control board for XFA by reverse order.
Restore the cabinet leak sensor assy.
Restore System Cabinet.