Juniper QFX3500 - Chapter 21 Installation and Maintenance Safety Information

Table 34: 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.
•
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-number Not Spinning Fan
The power supply airflow direction is the
opposite of the chassis airflow direction.
Replace the power supply with a power
supply that supports the same airflow
direction as the chassis.
PEM pem-number Airflow not matching
Chassis Airflow
Major (red)Power Supplies
Check the system log for one of the
following messages and report the error
message to customer support:
•
I2C Read failed for device number,
where number may be from 123 to 125.
•
PS number: Transitioning from online to
offline, where power supply (PS)
numbermay be 1 or 2.
PEM pem-number I2C Failure
Indicates a power supply problem, or the
power supply is not supported on the
device. Report the problem to customer
support.
PEM pem-number is not supported
Indicates a problem with the incoming
AC or outgoing DC power. Replace the
power supply.
PEM pem-number Not OK
157Copyright © 2017, Juniper Networks, Inc.
Chapter 17: Alarm Messages