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1174 | C-Series Debugging and Diagnostics
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Figure 60-5. show environment rpm Command Example
Recognize an overtemperature condition
An overtemperature condition occurs, for one of two reasons:
• The card genuinely is too hot.
• A sensor has malfunctioned.
Inspect cards adjacent to the one reporting the condition to discover the cause.
• If directly adjacent cards are not normal temperature, suspect a genuine overheating condition.
• If directly adjacent cards are normal temperature, suspect a faulty sensor.
When the system detects a genuine over-temperature condition, it powers off the card. To recognize this
condition, look for the system messages in Message 7.
To view the programmed alarm thresholds levels, including the shutdown value, execute the
show alarms
threshold
command shown in Figure 60-6.
Figure 60-6. show alarms threshold Command Example
Troubleshoot an overtemperature condition
To troubleshoot an over-temperature condition:
1. Use the
show environment commands to monitor the temperature levels.
Message 7 Over Temperature Condition System Messages
CHMGR-2-MAJOR_TEMP: Major alarm: chassis temperature high (temperature reaches or exceeds threshold of
[value]C)
CHMGR-2-TEMP_SHUTDOWN_WARN: WARNING! temperature is [value]C; approaching shutdown threshold of [value]C
FTOS#show environment rpm
-- RPM Environment Status --
Slot Status Temp Voltage
--------------------------------------
0 active 33C ok
1 not present
FTOS#show alarms threshold
-- Temperature Limits (deg C) --
---------------------------------------------------------------
Minor Minor Off Major Major Off Shutdown
Linecard 75 70 80 77 85
RPM 65 60 75 70 80
FTOS#