Alstom Reason RPV311, Technical Manual

Page: 309 / 350

Chapter 16
– Maintenance and Troubleshooting
RPV311
RPV311-TM-EN-6 309
8 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;
2) Perform a visual inspection on the device to make sure there are no remainders of the repair service
inside the casing or any other noncompliance;
3) Place back the top side of the case and fasten it using the proper screws;
4) Connect the grounding strap and then the power supply to the equipment;
5) Wait for the equipment to initialize, it will run self-diagnostic routines and if everything is right the
“Ready” LED on its front panel will light up indicating the equipment is safe and operational;
6) Follow the procedures in the Safety Section Chapter 2.