2–60
edge switch 2/24 service manual
Diagnostics
3
Is fault isolation being performed at the switch?
YES
NO
↓
Fault isolation is being performed at the HAFM server (or customer-supplied
server) or EWS interface.
Go to
step 7
.
4
Inspect both power supplies at the rear of the switch. Does inspection of switch fan
module/power supply indicate a failure? Indicators include:
•
The amber LED is illuminated on one or both power supplies.
•
One or more cooling fans are not rotating.
YES
NO
↓
Go to
step 6
.
5
One or more cooling fans failed, and one or both power supplies must be removed and
replaced (See
RRP 2: Redundant Power Supply on page 4–5
).
•
If one or more fans in a module are operating, do not remove the power supply
unless the replacement is immediately available.
•
If a multiple fan failure caused a thermal shutdown, power on the switch after the
power supply(s) are replaced (
Power-On Procedure on page 3–28
).
Do the fan module(s) appear to function?
NO
YES
↓
The switch appears operational. Exit MAP.
Contact the next level of support. Exit MAP.
810
High temperature warning (CTP
thermal sensor).
Go to
step 7
.
811
Critically hot temperature warning
(CTP thermal sensor).
Go to
step 7
.
Table 2–9: MAP 500: Event Codes (Continued)
Event
Code
Explanation
Action
