Service Manual
JetStor SAS 742F
6
Before servicing the RAID subsystem, please see the following table for
additional information about specific problem and what to replace.
Problem
What to do / What to Replace
The LCD Display Panel does
not show any character. No
light in LCD Display Panel.
1. Check first if the LCD cable is properly
connected to the LED front panel module
and LCD display module. Refer to Section
2 step F and J.
2. Try to replace the LCD cable. Refer to
Section 2 Step J.
3. If the LCD cable is properly connected or
already replaced but the problem still
exists, replace the LCD display module.
Refer to Section 2.
The LCD Display Panel has
blue background light but
does not show any character.
1. Check first if the RAID controller(s) can
start-up normally (not hang). If
controller(s) cannot boot-up normally,
check the RAID controller(s) or expander
module(s).
2. If the RAID controller(s) can start-up
normally, check if the LCD cable is
properly connected to the LED front panel
module and LCD display module. Refer to
Section 2 step F and J.
3. Try to replace the LCD cable. Refer to
Section 2 Step J.
4. If there is still problem after checking or
replacing the LCD cable, replace the LCD
display module (PRO-275-G). Refer to
Section 2.
