Digital Equipment VNswitch 900FF, Руководство по установке и настройке

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Problem Solving A-5
Problem Solving Using LEDs
Problem Solving Using LEDs
When diagnosing a problem with the module, note that the problem is often indicated
by the combined states of the module LEDs. Table A-2 lists the typical combined states
of the LEDs for various error conditions that can occur during initial installation of the
device, along with probable causes and corrective actions to take.
NOTE
If any of the following problems persist after taking corrective action, either
replace the module or contact your DIGITAL service representative.
Table A-2: Problem Solving Using the Module LEDs
Symptom Probable Cause Corrective Action
Power
LED is off. The module is not
rec5 Vdc. Check the power status on the
Chassis Manager status display.
If the Chassis Manager status display
indicates that power is available for
this module, press the release lever
and reseat or remove the module.
Inspect the module’s 48- or 160-pin
connector for bent or broken pins. If
any are bent or broken, replace the
module.
Module
OK LED is
off. Self-test failed. If the LED does not light within 3
minutes, lift and reseat the release
lever momentarily to repeat the self-
test.
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