Routers Temperature

[Mansour]

Please advise, i am observing alarms for high temperature in routers for example below logs for C2900 series.

how it can be fixed & thank you in advance 

Intake Left(Bezel) temperature: 46 Celsius, Abnormal
Intake Left temperature: 47 Celsius, Abnormal
Exhaust Right(Bezel) temperature: 50 Celsius, Normal
Exhaust Right temperature: 51 Celsius, Normal
CPU temperature: 77 Celsius, Normal
Power Supply Unit temperature: 51 Celsius, Normal

[Mansour]

can we change SYSTEM ALARMS SETTINGS in router ??

SYSTEM ALARMS SETTINGS
======================
Fan tray removal or multi fan failure results in warning
CPU Warning Over Temperature Alarm = 100C
CPU Critical Over Temperature Alarm = 120C
Intake Left(Bezel) Abnormal Temperature Alarm = 45C
Intake Left(Bezel) Over Temperature Alarm = 57C
Intake Left Abnormal Temperature Alarm = 45C
Intake Left Over Temperature Alarm = 57C
Exhaust Right(Bezel) Over Temperature Alarm = 75C
Exhaust Right Over Temperature Alarm = 75C
Power Supply Unit Over Temperature Alarm = 70C
Power Supply Unit Over Critical Temperature Alarm = 85C

[Leo Laohoo]

Has anyone conducted a visual inspection of the router and the installed environment? 

And is this the only alarm?  Are there any related alarms regarding the fan speed?

[Mansour]

Visual inspection not yet conducted, what's ur suggestion ?

mostly routers having same alarm some of router having fan issue they are limited in number.

R1#sh environment last

SYSTEM POWER SUPPLY STATUS

==========================

Power Supply Type: AC

External Power Supply POE -48V Voltage Status: Not Present

SYSTEM FAN STATUS

=================

Fan 1 OK, Maximum speed setting

SYSTEM TEMPERATURE STATUS

=========================

Intake Right temperature: 46 Celsius, Over-Temperature

Intake User temperature: 49 Celsius, Over-Temperature

Exhaust Fan temperature: 50 Celsius, Normal

Intake Right(Bezel) temperature: 46 Celsius, Over-Temperature

REAL TIME CLOCK BATTERY STATUS

==============================

Battery OK (checked at power up)

R1#

Fan issue logs:

REAL TIME CLOCK BATTERY STATUS

==============================

Battery OK (checked at power up)

NAJRAN-NAJRAN_IP10014#

IN_OUTLET_OVERTEMP: Warning: Intake User Temperature 

NAJRAN-NAJRAN_IP10014#sh environment table | in fan

System fan failure results in warning

R2#

[Mansour]

is it related to a bug ? or in real fan and temperature issue ??

[Leo Laohoo]

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@Mansour wrote:

what's ur suggestion ?

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Maybe the room where the router is installed in is really hot. 

Maybe the fans are clogged.