Microsens RS232 Dokumentacja Pobierz pdf (Strona 15)

19'' 6U Chassis page 15/71

FAN Fan Unit

The following alarms indicate a problem with the Fan Unit:

• mgnt2AlmFansFailure This bit indicates a failure on one of the fans (General)

• mgnt2AlmPbFan1Fail This bit indicates a failure detected on Fan N°1.

• mgnt2AlmPbFan2Fail This bit indicates a failure detected on Fan N°2.

• mgnt2AlmPbFan3Fail This bit indicates a failure detected on Fan N°3.

• mgnt2AlmPbFan4Fail This bit indicates a failure detected on Fan N°4.

• mgnt2AlmPbFan5Fail This bit indicates a failure detected on Fan N°5.

• mgnt2AlmPbFan6Fail This bit indicates a failure detected on Fan N°6.

If more than one Fan is out of service the FAN must be changed immediately.

Fan Unit Replacement Procedure.

It is not advisable to leave the MS430502M chassis running for a prolonged period

without a working FAN in place. The maximum time without a working Fan Unit is 15

minutes in an environment of 25°C.

Procedure

• Verify that the wrist strap you are wearing is properly grounded or that

other antistatic measures are in place

• Using a flat head screwdriver loosen the two holding screws on the

frontplate, located at the both sides of the FAN front panel (see picture

below)

• Remove the FAN front panel together with the dust filter

• Pull the FAN out of the chassis, unplugging the backplane connectors, and

set aside

• Line up the replacement module with the rails and gently slide in, plugging

in the backplane connectors

Do not force the FAN into place as this could lead to damage to the connectors

on the unit and/or the connectors on the back panel of the chassis.

• Put back the FAN front panel

• Using a flat head screwdriver tighten the two holding screws on the

frontplate, located at the both sides of the FAN front panel

• Verify correct operation of the FAN

• Verify resolution of relevant alarms

End procedure

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Microsens RS232 Dokumentacja Strona 15