Roland S-4000S Owner's Manual page 84

Appendices
S-4000S and S-4000H Units: System Status Indicators
Indicator
REAC
CTRL
S-4000S and S-4000H Units: ALARM Indicator
Indicator
ALARM
NOTE: If ALARM lights, see the S-4000R error indicators for more specific information
84
Status Definition
Lit Communication is
established
Dark System power-up
Flashing No REAC
communication
Lit RS-232C
communication
established
Dark No device is
connected to
REMOTE jack
Flashing No RS-232C
communication
Status Definition
Lit Abnormal (high)
temperature
detected
An exhaust fan (or
fans) has stopped
working
Troubleshooting Action
• 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)
• If connected to a computer, is the computer on?
• Is the computer's RS-232C port functioning
properly?
Troubleshooting Action
• Make sure the intake and/or exhaust vents on the
unit are not blocked.
• Shut down the unit to prevent overheating and
damage
• Shut down the unit to prevent overheating and
damage
S-4000 Digital Snake Owner's Manual