ZyXEL ES-315 User Guide - Page 127

Troubleshooting, 21.1 Power, Hardware Connections, and LEDs

Page 127 highlights

CHAPTER 21 Troubleshooting This chapter offers some suggestions to solve problems you might encounter. The potential problems are divided into the following categories. • Power, Hardware Connections, and LEDs • Switch Access and Login 21.1 Power, Hardware Connections, and LEDs V The Switch does not turn on. None of the LEDs turn on. 1 Make sure you are using the power adaptor or cord included with the Switch. 2 Make sure the power adaptor or cord is connected to the Switch and plugged in to an appropriate power source. Make sure the power source is turned on. 3 Disconnect and re-connect the power adaptor or cord to the Switch. 4 If the problem continues, contact the vendor. V The ALM LED is on. 1 Disconnect and re-connect the power adaptor to the Switch. 2 If the problem continues, contact the vendor. V One of the LEDs does not behave as expected. 1 Make sure you understand the normal behavior of the LED. See Section 2.1 on page 27. 2 Check the hardware connections. See the Quick Start Guide and Section 21.1 on page 127. 3 Inspect your cables for damage. Contact the vendor to replace any damaged cables. 4 Disconnect and re-connect the power cord to the Switch. 5 If the problem continues, contact the vendor. ES-315/ES-315-F User's Guide 127

  • 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

ES-315/ES-315-F User’s Guide
127
C
HAPTER
21
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
Power, Hardware Connections, and LEDs
Switch Access and Login
21.1
Power, Hardware Connections, and LEDs
The Switch does not turn on. None of the LEDs turn on.
1
Make sure you are using the power adaptor or cord included with the Switch.
2
Make sure the power adaptor or cord is connected to the Switch and plugged in to an
appropriate power source. Make sure the power source is turned on.
3
Disconnect and re-connect the power adaptor or cord to the Switch.
4
If the problem continues, contact the vendor.
The
ALM
LED is on.
1
Disconnect and re-connect the power adaptor to the Switch.
2
If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1
Make sure you understand the normal behavior of the LED. See
Section 2.1 on page 27
.
2
Check the hardware connections. See the Quick Start Guide and
Section 21.1 on page
127
.
3
Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4
Disconnect and re-connect the power cord to the Switch.
5
If the problem continues, contact the vendor.