24 Service Manual (AA-RTDXC-TE, July 2004)

Diagnostics

53Edge Switch 2/24 Service Manual

MAP 0100: Power Distribution Analysis

This MAP describes fault isolation for the switch power distribution system,

including defective AC power cords or redundant power supplies.

Was an event code 200 or 201, 202, 208 observed at the EWS Event Log or at the

Edge Switch Event Log (HAFM appliance)?

YES NO

↓ Go to step 9.

Table 5 lists event codes, brief explanations of the codes, and the associated steps

that describe fault isolation procedures.

Have the customer inspect and verify that facility power is within specifications.

These specifications are:

■ One single-phase connection for each power supply.

■ Input power between 100 and 240 VAC, and at least 5 amps.

■ Input frequency between 47 and 63 Hz.

Is facility power within specifications?

YES NO

↓ Ask the customer to correct the facility power problem. When facility

power is corrected, continue to the next step.

Table 5: MAP 100 Event Codes

Event

Code

Explanation Action

200 Power supply AC voltage failure. Go to step 3.

201 Power supply DC voltage failure. Go to step 8.

202 Power supply thermal failure. Go to step 8.

208 Power supply false shutdown. Go to step 3.