Xerox DocuPrint N2125 Service Manual page 27

General Info Control Panel Message
IOT NVM Fail
Power Off/On
Initial Issue
DocuPrint N2125
Fault History Entry Diagnostic Message
U6
Table 2 System Controller Error Code Table
LED # blinks
Control Panel Message Followed by 1 sec. off
0001 - System Controller 1
0001 - BASE RAM 1
0001 - BASE ROM 3
0001 - ASIC 4
0001 - TIMER 4
0001 - PWPM 5
0001 - DMA 5
0001 - COMM 6
1000 - IOT 8
0010 - DISK 9
0101 - DIMM1 10
0102 - DIMM2 11
0103 - DIMM3 12
2000 - XIE RAM 15
2010 - XIE PWPM 15
2020 - XIE VDMA 15
3000 - Token Ring 16
3000 - Serial
3000 - E-Net (10 Base 2)
5000 - Memory None
Table 1 Error Code Table
Error Description
U6: NVM Fail 1. A read error is detected during
power on.
2. A write error is detected during
write to the Nonvolatile Memory.
Comment
System Controller Board major failure. Go to
System Controller Board RAM failure. Go to
System Controller Board boot ROM. Go to
System Controller Board ASIC failure. Go to
System Controller Board Timer failure. Go to
System Controller Board PWPM failure. Go to
System Controller DMA failure. Go to
System controller parallel port failure, USB port failure, E-
Net Port Failure.
Replace System Controller PWB
System Controller - IOT handshake failure.
Remove and reinstall the System Controller PWB
9.2).
Replace the System Controller PWB
Replace the Print Engine Controller PWB
Hard disk failure.
Format Hard Disk (see Reset Menu -
Replace the Hard Disk (PL 10.1).
Replace the System Controller PWB
DIMM board 1 failure. Go to RAP
DIMM board 2 failure. Go to RAP
DIMM board 3 failure. Go to RAP
System Controller Xerox Image Enhanced PWPM failure.
Replace the System Controller PWB
System Controller Xerox Image Enhanced PWPM failure.
Replace the System Controller PWB
System Controller Xerox Image Enhanced VDMA failure.
Replace the System Controller PWB
Replace the appropriate network card
Replace System Controller PWB
Memory size not large enough to load the system software
Download Data.
Replace System Controller PWB
02/2000
2-9
Action
Power Off and On
Replace Print Engine Control-
ler PWB (REP 9.3).
RAP 42.
RAP 42.
RAP 42.
RAP 42.
RAP 42.
RAP 42.
RAP 42.
(REP 9.2)
(REP
(REP 9.2).
(REP 9.3).
GP 4.1).
(REP 9.2).
45.
46.
47.
(REP 9.2).
(REP 9.2).
(REP 9.2).
(PL 10.1).
(REP 9.2).
(REP 9.2).
Status Indicator Repair Analysis Procedures
Error Code Tables