Owner`s manual

Break/Fix Procedures
18-5
Figure 18-2 ACE3600 Motherboard on Metal Chassis
4. From inside the cage, push out the small cover on the side of the RTU rack/cage. Save the
cover.
5. Slide the damaged motherboard out of the cage, through the opening on the side of the
RTU rack/cage.
6. Slide the new motherboard into the rack, through the opening on the side of the RTU
rack/cage.
7. Secure the motherboard to the rack/cage and metal chassis using the M5 screws saved in
step 3.
8. Replace the cover on the cage.
9. If the unit was installed in a NEMA4 housing, replace the metal chassis in the housing and
screw the four large screws from the metal chassis into the housing.
10. Replace the modules in their respective slots.
11. Make sure that the ground is reconnected.
Replacing the Fuses on the Power Supply Module for AUX1/AUX2
Procedure 18-7 How to Replace the Fuse for AUX1 1A/1B or AUX2 2A/2B
1. To replace a fuse for AUX1 1A/1B or AUX2 2A/2B on the power supply module,
2. Disconnect cables … from the connectors. If the faulty fuses are attached to the main
power supply, press down on the top of the main power cable connector to disconnect the
user’s main power cable from the cable inlet on the bottom of the power supply module
front panel.
3. Simultaneously press on the tabs on the top and bottom of the plastic front of the old
module, and pull the module from its slot.