GE LOGIQ 5 PRO, Service Manual

Page: 127 / 462

GE M
EDICAL
S
YSTEMS
D
IRECTION
2380207 , R
EVISION
7 LOGIQ™ 5 PRO S
ERVICE
M
ANUAL
Chapter 4 Functional Checks 4 - 51
4-13-8 Backplane Assy function check procedure
1.) Turn on the system and check the completion of Echoloader loading.
2.) Check the system basic functions. Refer to Section 4-3-4 - System B/M-Mode Checks on page 4-
7. Refer to Section 4-3-5 - System CFM and PWD Checks on page 4-8.
4-13-9 SIG Assy function check procedure
1.) Turn on the system and check the completion of Echoloader loading.
2.) Check the system basic functions. Refer to Section 4-3-4 - System B/M-Mode Checks on page 4-
7. Refer to Section 4-3-5 - System CFM and PWD Checks on page 4-8.
4-13-10 DC FAN Assy function check procedure
1.) After replace DC FAN Assy, turn on the system. Refer to Section 3-5-1 - Power On/Boot Up on page
3-11.
2.) Check the FAN rotating with naked eye and check the FAN operating by rotating sound. No strange
sound should be heard.
NOTE: Do not close the EMI BRKT and right plastic cover before check the FAN operation.
Figure 4-68 Check DC FAN rotating