Power On Diagnostics (Pod) Failure; Error Codes - Xerox DOCUPRINT N17 Service Manual

7.3.17 Error Codes

7.3.17.1 Power On Diagnostics (POD) Failure

Insure that the Test LED is functioning properly. The Test LED can be viewed through a small hole
located above the RJ45 Connector on the System Controller.
• When printer power is applied, the Test LED will glow to indicate the start of the "Power On
Diagnostics" (POD) tests. At the successful completion of the Power On Diagnostics, the
LED will go off then glow again for one second, the go off.
• If a fault condition occurs during one of the "Power On Diagnostic" tests, that test is
immediately halted and the LED will flash a sequence that identifies the halted test. (Refer
to Table 7.3.17.1.1 Diagnostic LED Flash Sequence Table .)
• If the LED does not glow or glows continuously, perform the following:
1 Switch OFF the printer.
2 Remove the System Controller. Remove all option/peripheral components from the System
Controller.
3 Reinstall the System Controller ensuring proper seating, and switch on the printer.
4 The diagnostic LED functions properly.
Y: Reinstall the option/peripheral components one at a time and retest.
NOTE: If the LED still does not function properly, check the +5 VDC to the System Controller PWB
before replacing the System Controller PWB
N: Replace the System Controller PWB
Control Panel LED Repeating Flash Sequence
0001 - ESS
0001 - Base 2 flashes - 1 second - 2 flashes...etc
RAM
0001 - Base 3 flashes - 1 second - 3 flashes...etc
ROM
Xerox DocuPrint N17 Service Manual
Table 7.3.17.1.1 Diagnostic LED Flash Sequence Table
1 flash - 1 second - 1 flash...etc.
www.printcopy.info
Fault
System Controller
CPU
Base RAM
Base ROM
6/98
7-33 Repair Analysis Procedures (RAPs)
Corrective Action
Replace the
System Controller
PWB.
Replace the
System Controller
PWB.
Replace the
System Controller
PWB.