Table 3-11 – Dell PowerVault 770N (Deskside NAS Appliance) User Manual
Page 21
Table 3-11. System Board LED Codes
Group, Meaning
LED
1
LED
2
LED
3
LED
4
LED
5
System is healthy, AC power not present, bad 3.3 V AUX, or PDM not connected.
OFF
OFF
OFF
OFF
OFF
1 - Cables and Installed Components
1
Control panel cable not present
BLINK OFF
OFF
OFF
OFF
2
Backplane cable not present
BLINK OFF
OFF
OFF
ON
3
VRM_P1 missing
BLINK OFF
OFF
ON
ON
4
PROC1 missing
BLINK OFF
ON
OFF
OFF
5
PROC2 present but VRM_P2 missing
BLINK OFF
ON
OFF
ON
6
VRM_P1 present but PROC1 missing
BLINK OFF
ON
OFF
OFF
7
VRM_P1 and VRM_P2 vendor mismatch
BLINK OFF
ON
ON
ON
8
PROC1 and PROC2 core voltage (VID) mismatch
BLINK ON
OFF
OFF
OFF
9
PROC 1 and PROC 2 bus frequency mismatch
BLINK ON
OFF
OFF
ON
10 DDR 200 memory in 533 MHz
BLINK ON
OFF
ON
OFF
11 PROC1 heat sink not installed properly. Thermtrip on PROC1
BLINK ON
OFF
ON
ON
12 PROC2 heat sink not installed properly. Thermtrip on PROC2
BLINK ON
ON
OFF
OFF
2 - VRMs and POWERGOOD
1
PD_ON# from the ICH3 not happening
OFF
BLINK OFF
OFF
ON
2
Power supply not turning ON. +12 V bad or missing.
OFF
BLINK OFF
ON
OFF
3
+1.2V is not good.
OFF
BLINK OFF
ON
ON
4
+1.8V is not good.
OFF
BLINK ON
OFF
OFF
5
+1.25V is not good.
OFF
BLINK ON
OFF
ON