3Com 3812 Getting Started Guide - Page 48

An SNMP thermal shutdown trap and email is received

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48 CHAPTER 4: PROBLEM SOLVING If a fan failure warning message is generated: 1 Power off the unit. 2 Check that the air vents are not obstructed. 3 Power cycle the unit. To do this, remove and reconnect the AC mains supply. 4 If a fan fail trap is still received, return the unit. An SNMP thermal shutdown trap and email is received 1 Power off the unit. 2 Check that the air vents are not obstructed. 3 Check that the ambient temperatures and environmental conditions meet those specified in Appendix C. 4 Power cycle the unit. If a further thermal shutdown trap is received, return the unit. Unit fails or SNMP thermal shutdown trap is received 1 Power cycle the unit. To do this, remove and reconnect the AC mains supply. 2 Check the command line interface (system summary command) to determine whether a thermal shutdown has occurred. 3 If no, return the unit: If yes, check that: ■ The air vents are not obstructed. ■ The ambient temperatures and environmental conditions meet those specified in Appendix C. 4 Power cycle the unit. If a further thermal shutdown occurs, and all environmental conditions are satisfactory, return the unit to 3Com.

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48
C
HAPTER
4: P
ROBLEM
S
OLVING
If a fan failure warning message is generated:
1
Power off the unit.
2
Check that the air vents are not obstructed.
3
Power cycle the unit. To do this, remove and reconnect the AC mains
supply.
4
If a fan fail trap is still received, return the unit.
An SNMP thermal shutdown trap and email is received
1
Power off the unit.
2
Check that the air vents are not obstructed.
3
Check that the ambient temperatures and environmental conditions meet
those specified in
Appendix C
.
4
Power cycle the unit. If a further thermal shutdown trap is received,
return the unit.
Unit fails or SNMP thermal shutdown trap is received
1
Power cycle the unit. To do this, remove and reconnect the AC mains
supply.
2
Check the command line interface (
system summary
command) to
determine whether a thermal shutdown has occurred.
3
If no, return the unit:
If yes, check that:
■
The air vents are not obstructed.
■
The ambient temperatures and environmental conditions meet those
specified in
Appendix C
.
4
Power cycle the unit. If a further thermal shutdown occurs, and all
environmental conditions are satisfactory, return the unit to 3Com.