Roland S-4000S Owner's Manual page 85

S-4000R Unit: System Status Indicators
Indicator
POWER
REAC
CTRL
S-4000R Unit: Error Indicators
Indicator
CLIP 1/
SIG 1
S-4000 Digital Snake Owner's Manual
Status Definition
Lit Power is received
Dark No power is received • Make sure all REAC devices are turned on
Lit Communication is
established
Flashing System power-up
No REAC
communication
Lit RS-232C
communication
established
Flashing System power-up
No RS-232C
communication
Status Definition
Lit The MAIN REAC
connection has
failed and the
system has switched
to the BACKUP REAC
connection
Flashing Recovery from the
above error
Troubleshooting Action
• None (normal operation)
• Check the RS-232C cable for damage
• Are you using an RS-232C cable with the proper
wiring? (See Appendix B)
• None (normal operation)
• None (normal operation)
• 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)
• None (normal operation)
• None (normal operation)
• Check the RS-232C cable for damage
• Are you using an RS-232C cable with the proper
wiring? (See Appendix B)
Troubleshooting Action
• Check MAIN REAC cabling
• Check MAIN REAC connections
• Check in-line switching hub (if used) on MAIN
REAC connection
• None
Appendices
85