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Dell PowerEdge R750 EMC Installation and Service Manual - Page 219

System diagnostics and indicator codes, Status LED indicators

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8 System diagnostics and indicator codes This section describes the diagnostic indicators on the system front panel display system status during system startup. Topics: • Status LED indicators • System health and system ID indicator codes • iDRAC Quick Sync 2 indicator codes • iDRAC Direct LED indicator codes • LCD panel • NIC indicator codes • Power supply unit indicator codes • Drive indicator codes • Using system diagnostics Status LED indicators NOTE: The indicators display solid amber if any error occurs. Figure 220. Status LED indicators Table 75. Status LED indicators and descriptions Icon Description Condition Drive indicator The indicator turns solid amber if there is a drive error. Temperature indicator The indicator turns solid amber if the system experiences a thermal error (for example, the ambient temperature is out of range or there is a fan failure). Corrective action ● Check the System Event Log to determine if the drive has an error. ● Run the appropriate Online Diagnostics test. Restart the system and run embedded diagnostics (ePSA). ● If the drives are configured in a RAID array, restart the system, and enter the host adapter configuration utility program. Ensure that none of the following conditions exist: ● A cooling fan has been removed or has failed. ● System cover, air shroud, or back filler bracket is removed. ● Ambient temperature is too high. ● External airflow is obstructed. If the problem persists, see the Getting help section. System diagnostics and indicator codes 219

Section	Page
Dell EMC PowerEdge R750 Installation and Service Manual	1
Contents	3
About this document	8
System overview	9
Front view of the system	9
Left control panel view	11
Right control panel view	12
Rear view of the system	13
Inside the system	17
Locating the Express Service Code and Service Tag	19
System information label	20
Rail sizing and rack compatibility matrix	24
Initial system setup and configuration	25
Setting up the system	25
iDRAC configuration	25
Options to set up iDRAC IP address	25
Options to log in to iDRAC	26
Resources to install operating system	27
Options to download firmware	27
Options to download and install OS drivers	28
Downloading drivers and firmware	28
Minimum to POST and system management configuration validation	29
Minimum configuration to POST	29
Configuration validation	29
Error messages	30
Installing and removing system components	31
Safety instructions	31
Before working inside your system	32
After working inside your system	32
Recommended tools	32
Optional front bezel	33
Removing the front bezel	33
Installing the front bezel	34
System cover	34
Removing the system cover	34
Installing the system cover	35
Drive backplane cover	36
Removing the drive backplane cover	36
Installing the drive backplane cover	37
Air shroud	39
Removing the air shroud	39
Installing the air shroud	39
Removing the GPU air shroud	40
Installing the GPU air shroud	41
Removing the GPU air shroud top cover	42
Installing the GPU air shroud top cover	43
Removing the GPU air shroud filler	44
Installing the GPU air shroud filler	45
Removing the rear drive module air shroud	46
Installing the rear drive module air shroud	47
Cooling fan module	48
Removing the cooling fan cage assembly	48
Installing the cooling fan cage assembly	48
Removing a cooling fan	49
Installing a cooling fan	50
Removing a rear drive module cooling fan	51
Installing a rear drive module cooling fan	52
Side wall bracket	53
Removing the side wall bracket	53
Installing the side wall bracket	54
Drives	55
Removing a drive blank	55
Installing a drive blank	55
Removing the drive carrier	56
Installing the drive carrier	57
Removing the drive from the drive carrier	58
Installing the drive into the drive carrier	59
Rear drive module	60
Removing the 4 x 2.5-inch rear drive module	60
Installing the 4 x 2.5-inch rear drive module	61
Removing the 2 x 2.5-inch rear drive module	62
Installing the 2 x 2.5-inch rear drive module	63
Drive backplane	64
Drive backplane	64
Removing the drive backplane	66
Installing the drive backplane	67
Cable routing	69
PERC module	88
Removing the rear mounting front PERC module	88
Installing the rear mounting front PERC module	89
Removing the adapter PERC module	90
Installing the adapter PERC module	92
System memory	93
System memory guidelines	93
General memory module installation guidelines	95
Intel Persistent Memory 200 series (BPS) installation guidelines	95
Removing a memory module	100
Installing a memory module	100
Processor and heat sink module	102
Removing the processor and heat sink module	102
Removing the processor	103
Installing the processor	105
Installing the processor and heat sink module	108
Removing the liquid cooling module	110
Installing the liquid cooling module	111
Expansion cards and expansion card risers	113
Expansion card installation guidelines	113
Removing the expansion card risers	138
Installing the expansion card risers	143
Removing expansion card from the expansion card riser	148
Installing an expansion card into the expansion card riser	149
Removing the full length expansion card risers	151
Installing the full length expansion card risers	153
Removing a GPU	156
Installing a GPU	158
Removing R1 and R3 paddle cards	161
Installing R1 and R3 paddle cards	162
Optional serial COM port	164
Removing the serial COM port	164
Installing the serial COM port	165
Optional VGA port for liquid cooling module	167
Removing the VGA port	167
Installing the VGA port	168
Optional IDSDM module	170
Removing the IDSDM module	170
Installing the IDSDM module	170
MicroSD card	171
Removing the MicroSD card	171
Installing the MicroSD card	172
Optional BOSS S2 module	173
Removing the BOSS S2 module blank	173
Installing the BOSS S2 module blank	174
Removing the BOSS S2 card carrier blank	175
Installing the BOSS S2 card carrier blank	176
Removing the BOSS S2 module	176
Installing the BOSS S2 module	179
System battery	181
Replacing the system battery	181
Optional internal USB card	183
Removing the internal USB card	183
Installing the internal USB card	183
Intrusion switch module	184
Removing the intrusion switch module	184
Installing the intrusion switch module	185
Optional OCP card	186
Removing the OCP card	186
Installing the OCP card	187
Power supply unit	189
Hot spare feature	189
Removing a power supply unit blank	190
Installing a power supply unit blank	190
Removing a power supply unit adapter	191
Installing a power supply unit adapter	191
Removing a power supply unit	192
Installing a power supply unit	193
Trusted Platform Module	194
Upgrading the Trusted Platform Module	194
Removing the TPM	195
Installing the TPM	195
Initializing TPM for users	195
Initializing the TPM 1.2 for users	195
Initializing the TPM 2.0 for users	196
System board	196
Removing the system board	196
Installing the system board	197
Restoring the system using Easy Restore	199
Manually update the Service Tag	199
LOM card and rear I/O board	199
Removing the LOM card and rear I/O board	199
Installing the LOM card and rear I/O board	200
Control panel	202
Removing the right control panel	202
Installing the right control panel	203
Removing the left control panel	204
Installing the left control panel	205
Upgrade Kits	206
BOSS S2 module kit	207
GPU kit	210
IDSDM kit	213
Internal USB card kit	214
Serial COM port kit	214
VGA port kit	214
Jumpers and connectors	215
System board connectors	215
System board jumper settings	217
Disabling a forgotten password	217
System diagnostics and indicator codes	219
Status LED indicators	219
System health and system ID indicator codes	220
iDRAC Quick Sync 2 indicator codes	221
iDRAC Direct LED indicator codes	221
LCD panel	222
Viewing Home screen	223
Setup menu	223
View menu	223
NIC indicator codes	224
Power supply unit indicator codes	224
Drive indicator codes	226
Using system diagnostics	227
Dell Embedded System Diagnostics	227
Running the Embedded System Diagnostics from the Dell Lifecycle Controller	227
Running the Embedded System Diagnostics from Boot Manager	227
System diagnostic controls	227
Getting help	228
Recycling or End-of-Life service information	228
Contacting Dell Technologies	228
Accessing system information by using QRL	228
Quick Resource Locator for PowerEdge R750 system	229
Receiving automated support with SupportAssist	229