User manual JUNIPER NETWORKS M10I

[. . . ] M10i Multiservice Edge Router Hardware Guide Published: 2010-10-28 Copyright © 2010, Juniper Networks, Inc. Juniper Networks, Inc. 1194 North Mathilda Avenue Sunnyvale, California 94089 USA 408-745-2000 www. juniper. net This product includes the Envoy SNMP Engine, developed by Epilogue Technology, an Integrated Systems Company. Copyright © 1986-1997, Epilogue Technology Corporation. This program and its documentation were developed at private expense, and no part of them is in the public domain. [. . . ] Verify that the temperature is OK for each component. Check the airflow and clearance around the chassis. For the fan tray to function properly, the clearance around the chassis must be sufficient for unobstructed airflow. See "Clearance Requirements for Airflow and Hardware Maintenance" on page 43. For a graphic depiction of the airflow, see Figure 13 on page 28. Check if a faulty fan is causing the temperature to be elevated for one or more components. · · · 4. Check the fan tray: · Check the status of the fans by issuing the show chassis environment command. Verify that the status is OK and that the fans are Spinning at Normal Speed. 92 Copyright © 2010, Juniper Networks, Inc. Chapter 14: Troubleshooting M10i Hardware Components · If the fan tray fails, determine whether you can distinguish individual blades in a fan--this is not possible when the fans are rotating at normal speed. 5. If you are unable to correct the problem, replace the fan tray with a spare. For instructions, see "Replacing an M10i Fan Tray" on page 101. If the LED lights correctly on the spare, the original fan tray is faulty. Return it to Juniper Networks for replacement, as described in "Returning a Hardware Component to Juniper Networks, Inc. " on page 213. Table 15: Cooling System Alarm Messages Chassis Component Fan Trays Alarm Severity Red CLI Message fan-name Failure Alarm Condition A fan has failed. Solution Replace failed fan tray. Install missing fan tray. · Red Too many fans missing or failing. Both fan trays are absent from the chassis. A fan is absent. Yellow fan-name Removed Temperature Yellow Temperature warm If the fans are running at full speed and one or more fans have failed, the chassis temperature has exceeded 55° C. If the fans are running at full speed but no fans have failed, the chassis temperature has exceeded 65° C. Check room temperature. Check fan tray. · · Red Temperature hot If a fan has failed, the chassis temperature has exceeded 65° C. If this condition persists for more than 4 minutes, the router shuts down. The chassis temperature has exceeded 75° C. If this condition persists for more than 4 minutes, the router shuts down. · Check room temperature. Check fan tray. · · Red Temperature sensor failure The temperature sensor has failed. Contact technical support. See "Contacting Customer Support" on page 212 for more information. Copyright © 2010, Juniper Networks, Inc. 93 M10i Multiservice Edge Router Hardware Guide Related Documentation · · · Installing an M10i Fan Tray on page 102 M10i Router Physical Specifications on page 183 Maintaining the M10i Cooling System on page 80 Troubleshooting the M10i PICs Problem Solution The PICs are not functioning normally. To troubleshoot the PICs: 1. Check the status of the LEDs located on the PIC faceplate. [. . . ] on page 213 Packing the M10i Router for Shipment on page 214 Guidelines for Packing M10i Components for Shipment on page 215 Related Documentation · · · · Packing the M10i Router for Shipment To pack the router for shipment: 1. Retrieve the shipping crate and packing materials in which the router was originally shipped. If you do not have these materials, contact your Juniper Networks representative about approved packaging materials. 2. See "Powering Off an M10i Router" on page 71. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis. 4. [. . . ]