Ricoh S-C4.5 Field Service Manual page 164

6. Troubleshooting
No.
Definition
-005 C
Incorrect dial up connection
651
An unexpected error occurs when the modem (RCG-M) tries to call the center with a dial up
connection.
-001 D
-002 D
6
670 B
672 B
162
Symptom
Communication line error
The supplied voltage is not sufficient due
to the defective communication line or
defective connection.
Program parameter error
Program execution error
Engine startup error
Just after the main power is turned on or
the machine is recovering from auto off
mode, the engine ready signal assertion
fails.
Just after the main power is turned on, the
engine does not respond.
Controller-to-operation panel communication error at startup
After powering on the machine,
communication between the controller
and operation panel does not begin, or
the communication is interrupted after a
normal startup.
Possible Cause/Countermeasure
1. Consult with the user's local telephone
company.
• Software bug.
1. No action required because this SC
does not interfere with operation of the
machine.
• Poor connection between the BICU
and controller board
• Defective BICU
• Defective controller board
• Controller stalled
• Controller board installed incorrectly
• Defective controller board
• Operation panel connector loose or
defective
• Poor connection of DIMM and
optional boards on the controller
board
1. Check the setting of SP5875-001. If
the setting is set to "1 (OFF)", change
it to "0 (ON)".