Ricoh D127 Field Service Manual page 179

PHY IC error
[6104] C
The PHY IC on the controller cannot
be correctly recognized.
PHY IC loop-back error
An error occurred during the loop-
[6105] C
back test for the PHY IC on the
controller.
Self-diagnostic Error: NVRAM
824
The controller cannot recognize the
B
[1401]
standard NVRAM installed or
detects that the NVRAM is defective.
Self-diagnostic Error: RTC/Optional NVRAM
[1501]: Clock error
• An RTC device is recognized,
B
and the 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
Same as SC823-[6101]
Same as SC823-[6101]
• Loose connection
• Defective standard NVRAM
• Defective controller
1. Check the standard NVRAM is firmly
inserted into the socket.
2. Replace the NVRAM.
3. Replace the controller
• RTC defective
1. Replace the RTC device.
• NVRAM without RTC installed
• Backup battery discharged
1. Replace the NVRAM with another
NVRAM with an RTC device.
SC Tables
177