Ricoh A250 Service Manual page 641

6. TROUBLESHOOTING
6.1 SC CODES
SC No.
2001 Power-on Self-Diagnostics Error
2002 FGATE error
6.2 ERROR CODES
Code
0201 On-board SDRAM read/verify
failed.
0301 SDRAM DIMM (option)
read/verify failed.
0Fxx Controller – BiCU interface error.
1101 Data transmission did not finish
within the specified time.
1102 Data looped back to the controller
is not the same as the data
transmitted.
11xx Centronics parallel interface error. Replace the controller if this error is
1401 The controller NVRAM has a
problem.
1402 NVRAM checksum error or the
battery has run out.
1403 NVRAM write error
1404 NVRAM read error
1501 RTC error
1601 Font ROM error
1602 The data in the Font ROM is
damaged.
1Bxx Option bus A (CN506) error
1Cxx Option bus B (CN507) error
SM
Description
Description
6-1
Required Action
Check the error code using [Service
Menu] – [Diag. Error].
Check any SC errors for the engine.
Required Action
Replace the controller if this error is
frequent.
Replace the SDRAM DIMM if this error
is frequent.
Check the connectors and cable
connections.
Replace the motherboard, cable, and/or
BiCU.
An incompatible loop-back connector is
connected to the parallel port, or the
loop-back connector is not connected.
Use the correct loop-back connector
(P/#: G0219350) before the test.
The loop-back connector may be
defective. Try using another one.
frequent.
Replace the NVRAM if this error is
frequent.
Replace the controller board if this error
is frequent.
Replace the controller if this error is
frequent.
Replace the controller if this error is
frequent.
Check the connection to the optional
component at CN506.
Try replacing the optional NIB or HDD.
Check the connection to the optional
component at CN507.
Try replacing the optional NIB or HDD.
SC CODES
A250