HP Z210 HP Z210 CMT Workstation Maintenance and Service Guide - Page 148

Diagnostic lights and audible codes, Table 6-7 - ram

Get HP Z210 PDF manuals and user guides View all HP Z210 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 148 highlights

Table 6-7 Diagnostic lights and audible codes Activity Possible cause Recommended action Blue Power LED* on. No beeps. Computer on. Blue Power LED* blinks every two seconds.* No beeps. Computer in Sleep mode (S3-Suspend to RAM). Select models only. Blue Power LED* is off.* No beeps. Computer in Hibernate mode (S4-Suspend to disk) or system is off (S5). Blue Power LED* blinks three times*, once per second.* No beeps. Computer in Sleep mode (S3-Suspend to RAM). Select models only. N/A Blue Power LED* blinks four times*, once per second.* No beeps. Computer in Hibernate mode (S4-Suspend to disk). *User-selectable. See The Computer Setup (F10) Utility menu on page 28 for details. For the following LED activity and beeps, the beeps are heard through the chassis speaker. Blinks and beeps repeat for 5 cycles, after which, only the blinks continue to repeat. Red Power LED blinks two times, once every second, followed by a two-second pause. Two beeps. CPU thermal protection activated by either of the following methods: CAUTION: Internal components might be powered even when the computer is off. To prevent damage, disconnect the computer power cord before you remove a component. ● A fan might be blocked 1. Ensure that the computer air vents are not blocked and the cooling or not turning. fan is running. ● The heatsink and fan assembly is not properly attached to the CPU. 2. Open the access panel, press power button, and verify that the CPU fan is spinning. If the CPU fan is not spinning, make sure the fan cable is plugged into the computer board header. Ensure the fan is fully and properly seated or installed. 3. If fan is plugged in and seated properly, but is not spinning, the problem might be in the CPU fan. Contact HP for assistance. 4. Verify that the fan assembly is properly attached. If problems persist, there might be a problem with the CPU heatsink. Contact HP for assistance. Red Power LED blinks three times, once every second, followed by a two-second pause. Three beeps. CPU not installed (not an indicator of bad CPU). 1. Verify that the CPU is present. 2. Reseat the CPU. 136 Chapter 6 Diagnostics and troubleshooting ENWW

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
Table 6-7
Diagnostic lights and audible codes
Activity
Possible cause
Recommended action
Blue Power LED
*
on. No
beeps.
Computer on.
N/A
Blue Power LED
*
blinks every
two seconds.
*
No beeps.
Computer in Sleep mode
(S3-Suspend to RAM). Select
models only.
Blue Power LED
*
is off.
*
No
beeps.
Computer in Hibernate
mode (S4-Suspend to disk)
or system is off (S5).
Blue Power LED
*
blinks three
times*, once per second.
*
No beeps.
Computer in Sleep mode
(S3-Suspend to RAM). Select
models only.
Blue Power LED
*
blinks four
times*, once per second.
*
No beeps.
Computer in Hibernate
mode (S4-Suspend to disk).
*User-selectable. See
The Computer Setup (F10) Utility
menu
on page
28
for details.
For the following LED activity and beeps, the beeps are heard through the chassis speaker. Blinks and beeps repeat for 5 cycles, after
which, only the blinks continue to repeat.
Red Power LED blinks two
times, once every second,
followed by a two-second
pause. Two beeps.
CPU thermal protection
activated by either of the
following methods:
●
A fan might be blocked
or not turning.
●
The heatsink and fan
assembly is not
properly attached to
the CPU.
CAUTION:
Internal components might be powered even when the
computer is off. To prevent damage, disconnect the computer power
cord before you remove a component.
1.
Ensure that the computer air vents are not blocked and the cooling
fan is running.
2.
Open the access panel, press power button, and verify that the CPU
fan is spinning. If the CPU fan is not spinning, make sure the fan
cable is plugged into the computer board header. Ensure the fan is
fully and properly seated or installed.
3.
If fan is plugged in and seated properly, but is not spinning, the
problem might be in the CPU fan. Contact HP for assistance.
4.
Verify that the fan assembly is properly attached. If problems
persist, there might be a problem with the CPU heatsink. Contact
HP for assistance.
Red Power LED blinks three
times, once every second,
followed by a two-second
pause. Three beeps.
CPU not installed (not an
indicator of bad CPU).
1.
Verify that the CPU is present.
2.
Reseat the CPU.
136
Chapter 6
Diagnostics and troubleshooting
ENWW