Ricoh B089 - Page 419

SERVICE CALL CONDITIONS
SM 7-11 B089/B093
Trouble-
shooting
Code No. Symptom Possible Cause
Self-diagnostic Error: Resident NVRAM 824 D
The resident non-volatile RAM returned
an error during the self-diagnostic test.
• Replace the resident NVRAM on the
controller board
• Replace the controller board
Self-diagnostic Error: Optional NVRAM 825 D
The resident non-volatile RAM returned
an error during the self-diagnostic test.
• Replace the optional NVRAM (user
account enhancement unit) on the
controller board
• Replace the controller board
Self-diagnostic Error: NVRAM/Optional
NVRAM
826 D
The NVRAM or optional NVRAM
returned an error during the self-
diagnostic test.
Replace the NVRAM on the controller
board
Self-diagnostic Error: RAM 827 D
The resident RAM returned a verify
error during the self-diagnostic test.
Download controller firmware again
Self-diagnostic Error: ROM 828 D
The resident read-only memory
returned an error during the self-
diagnostic test.
• Controller board defective
• Download controller firmware again
Self-diagnostic Error: Optional RAM 829 D
The optional RAM returned an error
during the self-diagnostic test.
• Replace the optional memory board
• Controller board defective
Self-Diagnostic Error: Parallel Interface 835 D
Loopback test error.
• Loopback connector not detected
• IEEE1284 connector defective
• Controller board defective
Self-diagnostic Error: Resident Font
ROM
836 D
The resident font ROM returned an
error during the self-diagnostic test.
Replace the controller board
Self-diagnostic Error: Optional Font
ROM
837 D
The optional font ROM returned an
error during the self-diagnostic test.
Replace the controller board
Self-diagnostic Error: Clock Generator 838 D
A verify error occurred when setting
data was read from the clock generator
via the I2C bus.
Replace the controller board
EEPROM error 1 840 D
During input/output with the EEPROM,
one of the following errors occurred:
• A read error occurred and continued
after 3 retries.
• Write error occurred.
• EEPROM defective; replace the
controller board
• EEPROM has reached the end of its
service life
EEPROM error 2 841 D
The values read from the three areas
during the mirroring check phase did
not match. The data is being written
into the three areas differently.
• EEPROM defective; replace the
controller board
• EEPROM has reached the end of its
service life
Network I/F Abnormal 850 D
NIB interface error.
• NIB defective
• Controller board defective