Dell PowerVault 725N (Rackmount NAS Appliance) - Manual (Page 14)

System Beep Codes
When an error occurs during a boot routine that cannot be reported on the screen (either on a monitor connected directly to the NAS system or on a client
screen using console redirection), the system may emit a series of beeps to indicate a problem. For example, five beeps indicates a problem with the
processor. This information is valuable to technical support representatives if you must call for technical assistance. For more information, see "Using Console
Redirection" in the Installation and Troubleshooting Guide.
When you hear a beep code, record it, and then look up a description of the problem and corrective action in Table 3 -4 . If you are unable to resolve the
problem using the beep code, use the system diagnostics to identify the cause.
Table 3-4. System Beep Codes
System Board LED Codes
Some LEDs on the system board are visible only when the system cover is removed. A standby power LED (located between DIMM C and the processor
blower) provides an indication that the standby 5-V level is present. The LAN1 and LAN2 integrated NICs each have two LEDs behind their connectors on the
system board. These LEDs have different meanings than the LEDs on the RJ45 connectors at the external back panel. Table 3
-5 lists the system board LED
codes and their meanings.
Table 3-5. System Board LED Codes
NAS Manager Messages
NOTE: If the system boots without a keyboard, mouse, or monitor attached, the system will not issue beep codes related to those peripherals.
Beeps Cause Corrective Action
1 The memory refresh circuitry on the system board is
faulty.
Replace the system board. See " Removing the System Board/Backplane Board Assembly ."
2 Parity error in the first 64 KB of memory. Switch memory modules. See " Removing Memory Modules ."
3 Memory failure in the first 64 KB of memory. Remove and replace the memory modules. If the problem persists, replace the faulty memory
modules. See " Memory " for information about replacing memory modules.
4 Memory failure in the first 64 KB of memory, or Timer
1 on the system board is not functioning.
Switch memory modules. See " Memory " for information about replacing memory modules.
5 The processor on the system board has generated
an error.
Remove and reseat the processor. See " Processor ." If the problem persists, replace the
processor. See " Removing the Processor ."
6 The keyboard controller has generated an error. Replace the system board. See " Removing the System Board/Backplane Board Assembly ."
7 Processor exception interrupt error. The processor
generated an exception interrupt.
Remove and reseat the processor. See " Processor ." If the problem persists, replace the
processor. See " Removing the Processor ."
8 Display memory read/write test fails. Replace the system board. See " Removing the System Board/Backplane Board Assembly ."
9 ROM checksum error. The ROM checksum value does not match the value encoded in the BIOS. Replace the system
board. See " Removing the System Board/Backplane Board Assembly ."
10 CMOS shutdown register read/writer error. Replace the system board. See " Removing the System Board/Backplane Board Assembly ."
11 External cache is faulty. Remove and reseat the processor. See " Processor ." If the problem persists, replace the
processor. See " Removing the Processor ."
LED Indicator Normal Operation Error Condition
5-V Standby Power Green Steady green indicates the 5-V standby power is on.
Off indicates the AC power is off.
LAN 1
D1 and D2 LEDs
Green on either LED Steady green on D1 LED indicates the NIC transmission speed is 1000 Mbps.
Steady green on D2 LED indicates the NIC transmission speed is 100 Mbps.
LAN 2
D3 and D4 LEDs
Green on either LED Steady green on D3 LED indicates the NIC transmission speed is 1000 Mbps.
Steady green on D4 LED indicates the NIC transmission speed is 100 Mbps.