Juniper QFX Series User Manual

Table 88: QFX3500 Chassis Alarm Messages
Recommended ActionCLI MessageAlarm TypeComponent
The fan is missing. Install a fan.Fan/Blower AbsentMajor (red)Fans
Replace the fan and report the failure to
customer support.
Fan Failure
Check the system log for one of the
following messages and report the error
message to customer support:
•
CM ENV Monitor: Get fan speed failed.
•
Fan-number is NOT spinning @ correct
speed, where fan-number may be 1, 2,
or 3.
Fan I2C Failure
Remove and check the fan for
obstructions, and then reinsert the fan. If
the problem persists, replace the fan.
Fan fan-number Not Spinning
443Copyright © 2012, Juniper Networks, Inc.
Chapter 35: Alarms and System Log Messages

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)