GE RPV311, Technical Manual

Page: 252 / 295

RPV311 Chapter 16
– Maintenance and Troubleshooting
RPV311-TM-EN-7 252
5.4 Link with the processing module is not active
Make sure that Link and Act indicators are lit;
Verify that the fiber-optic cables are properly connected in the RA332 and in the
processing module;
Verify that the processing module is on;
Make sure the connectors for receiving and transmitting data are not mixed;
Verify that the fiber optic cables are in good condition;
If possible, do the test using another fiber-optic cable;
Make sure that the distance between the processing module and the RA332 does not
exceed 2 km;
Verify that the type of fiber is in accordance with the specifications.
If the problem persists, contact technical support at the addresses on the back cover
of the manual or access www.alstom.com/grid/contactcentre.
6 Equipment Return
All parts and components comprising Reason devices shall be repaired exclusively by
Alstom. In case of equipment malfunction the customer shall get in contact with
Alstom’s Contact Centre and never attempt to repair the device by his own.
To request equipment repair service, call Alstom to check out shipment options and
receive the technical assistance order code.
The equipment shall be packed in its original package or a suitable package to
protect against impacts and moisture.
7 Instructions for Equipment Repair/Service for Service
Personnel
The instructions presented in this topic shall only be followed by Alstom service
Personnel.
In case any repair needs to be done, follow the procedure below to ensure the safety
of the operation.
1. Disconnect power supply;
2. Disconnect all other connections leaving the grounding strap to be removed
at the end;
3. Perform a visual inspection to make sure the equipment is isolated;
4. Position the device in place where there is free space to work and make
sure to install proper working and safety warnings at the location, also keep
available all tools and aids that is going to be used;
5. Wait a few minutes so the capacitors may discharge;
6. Disassemble the device by unscrewing the case screws and pulling up the
top side of the case; after that, carry on with the proper repairs. Keep in
mind that disassembling the equipment may expose sensitive electronic
circuitry. Take suitable precautions against electrostatic voltage discharge
(ESD) to avoid damage to the equipment.
After the repairs are done, follow the procedure below in order to verify the safe state
of the equipment and to put it back into operation.
1. Reconnect all internal cable that have been removed for the repair;