Temperature Alarms; Symptom; Troubleshooting Flowchart; Solution - HP FlexFabric 12900 series Troubleshooting Manual

3. Save the information displayed in the previous steps.
4. Contact HP Support.
IMPORTANT:
HP recommends not rebooting the device before you contact HP Support. You might lose critical
diagnostic information if you reboot the device.

Temperature alarms

Symptom

Temperature alarms occur.

Troubleshooting flowchart

Figure 10 Troubleshooting temperature alarms
Temperature alarm
Ambient temperature
too high?
N
Device temperature
too high?
N
Air filters clean?
Y
Adjust temperature alarm
thresholds
Contact the support

Solution

To resolve the problem:
1. Check the ambient temperature. If the ambient temperature is higher than 22 °C (71.6°F), lower
the temperature by adding air conditioners or taking other heat dissipation measures.
Y
Lower the
temperature
Y
Resolve fan
tray problems
N
Clean the air
filters
33
Y
Resolved?
N
Y
Resolved?
N
Y
Resolved?
N
Y
Resolved?
N
End