Carrier Access Broadmore 1750 - Manual (Page 225)

Broadmore 1750 - Release 4.6 8-37
Maintenance and Troubleshooting
Integrated Fan/Alarm Module Replacement
5. Firmly press the new fan assembly into place so that it is fully seated. Tighten
both retaining screws (finger tight only).
6. Return the defective fan assembly for repair. Contact Customer Service for an
RMA number and procedures.
Integrated Fan/Alarm Module Replacement
The integrated fan/alarm module has two replaceable fuses. Follow the steps below to
replace a fuse.
1. Fuses and spares are located on the integrated fan/alarm module IOM accessed
from the chassis rear. Remove the rear cover to access the fuses.
2. Blown fuses are removed by pulling directly out.
3. Remove a spare fuse by pulling directly out. Insert the replacement fuse(s) in
reverse to the one(s) removed.
4. Obtain replacement spare fuse(s) locally. Use only 7.5 Amp (Bussman part #
GMT7.5) or equivalent.
CAUTION! F USES ARE ONE - TIME USAGE ITEMS . I F THE FUSE BLOWS
A SECOND TIME , CIRCUIT DAMAGE MAY BE MORE EXTENSIVE , AND IT MAY
BE NECESSARY TO DISCONNECT POWER TO THE ENTIRE B ROADMORE
1750 CHASSIS AND REPLACE THE INTEGRATED FAN / ALARM MODULE .
A LL CIRCUITS WILL EXPERIENCE A DISRUPTION DURING INTEGRATED
FAN / ALARM MODULE REPLACEMENT .
Follow the steps below to replace an integrated fan/alarm module.
1. Ensure that a replacement module is available.
2. Remove the chassis front cover.
3. Loosen retaining screws at the top and bottom of the integrated fan/alarm
module card to be replaced.
4. Use the installed ejectors to unseat the integrated fan/alarm module card from
the midplane. This is done by simultaneously pushing up on the top ejector and
down on the bottom ejector.