Table 3–9 (Cont.) Key to Figure 3–4, Power Module Controls and Indicators
Item
Control/Indicator
Function
Repair Action
14
Fault ID Display
Displays the power
subsystem fault codes.
15
PSC Reset Button
When out, indicates a PSC
fault condition.
Press in to reset.
16
CAMP Fan Fault
When on, indicates that a fan
fault caused all disk drives
and tape drives to shut down.
Replace the fan. See
Chapter 5.
Table 3–10 Fan, LDC, Temperature Error Codes
Error
Code
PSC
OK
PSC
Failure
LDC
Fault
FAN
Failure
Error Description
0
On
Off
—
1
—
Normal operation, displayed after PSC
passes self-test
1
—
—
—
On
Fan 1 failed
2
—
—
—
On
Fan 2 failed
3
—
—
—
On
Fan 3 failed
4
—
—
—
On
Fan 4 failed
9
—
—
—
On
Access door opened, or two or more fans
failed
A
—
—
On
—
LDCA (LDC0) failed
B
—
—
On
—
LDCB (LDC1) failed
C
—
—
On
—
LDCC (LDC2) failed
D
—
—
On
—
LDCD (LDC3) failed
A
—
—
On
—
LDCE (LDC4) failed
—
—
—
On
—
LDCF (LDC5) failed
—
—
—
On
—
LDCG (LDC6) failed
—
—
—
On
—
LDCH (LDC7) failed
7
Off
On
—
—
Temperature sensor failed, low reading
8
Off
On
—
—
Temperature sensor failed, high reading
—
—
—
On
—
Temperature in red zone
1
Dash entries = LED state NOT changed by error
The PSC Fault ID Display provides a continuous, 1-character rotating display of
the 4-character error codes listed in Tables 3–11 to 3–17. Character display time
is approximately 1/2 second.
System Maintenance 3–15