Ricoh B867 Manual page 41

the standard NVRAM installed or
detects that the NVRAM is
defective.
Self-diagnostic Error: RTC/Optional NVRAM
[1501]: Clock error
An RTC device is
recognized, and the
B
difference between the RTC
device and the CPU exceeds
the defined limit.
826
No RTC device is
recognized.
[15FF]: RTC not detected
B
The RTC device is not detected.
827 Self-diagnostic Error: RAM
Verification error
Error is detected during a
[0201] B
write/verify check for the
standard RAM (SDRAM DIMM).
Resident memory error
The SPD values in all RAM
[0202] B
DIMM are incorrect or
unreadable.
SM
Backup battery has discharged
NVRAM socket damaged
1. Replace the NVRAM.
RTC defective
NVRAM without RTC installed
Backup battery discharged
1. Replace the NVRAM with
another NVRAM with an RTC
device.
NVRAM without RTC installed
Backup battery discharged
1. Replace the NVRAM with
another NVRAM with an RTC
device.
Loose connection
Defective SDRAM DIMM
Defective controller
1. Replace the SDRAM DIMM.
2. Replace the controller.
Defective RAM DIMM
Defective SPD ROM on RAM
DIMM
Defective 12C bus
31
Service Call Conditions
B867