Roland S-4000S - Appendices; Appendix A: Troubleshooting

S-4000 Digital Snake Owner’s Manual 83
Appendix A: Troubleshooting
System Status and Error Indicators
The components in the S-4000 System provide many different indicators that show the current system
status. Additionally, the units provide error indicators that let you know whenever a potentially serious
problem is detected in the system.
The following tables show the meaning of the various status and error indicators, and suggest actions
for troubleshooting and safe system operation.
S-4000S and S-4000H Units: System Status Indicators
Indicator Status Definition Troubleshooting Action
MAIN REAC
Port/
BACKUP
REAC Port
Flashing REAC
communication is
established
• None (normal operation)
Dark No communication • Make sure all REAC devices are turned on
• Check Cat5e cable connections
• Check the Cat5e cable(s) for damage
• Is the proper cable type being used? (See Page
51)
• If a switching hub is used, is it working?
• If a switching hub is used, is it properly
connected? (See Page 53, 76)
• If a switching hub is used, does it have the proper
specification? (See Appendix C)
Appendices