System Error Codes - HP C2858A Service Manual

SYSTEM ERROR CODES

System error codes are hexadecimal-based numbers generally caused by internal system er-
rors. See Table 8-2 for a list of system error codes and their respective descriptions and rec-
ommended corrective actions.
Error Code
010001
010011
010012
010013
010020
010021
010022
010023
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Table 8-2. System Error Codes
Problem Description
Window sensor circuitry not
operating correctly.
Bail sensor indicates the bail
is up when it should be down.
Bail sensor indicates the bail
is down when it should be up.
Bail is falling down (missing
the detent).
ROM test failure.
DRAM test failure.
Swath RAM test failure.
EEROM test failure.
Corrective Actions
Check window sensor switch.
Check that the sensor cable is
connected to the front panel PCA.
Disconnect the sensor cable connector
from the front panel PCA and read the
resistance between the pins. Values
should read as follows:
Window
Pins Up Down
RΩ RΩ
1–2
1±3 0Ω RΩ
2±3
RΩ
Replace defective wires or assembly.
Replace front panel-to-main PCA
cable. Replace front panel PCA.
Replace the main PCA.
Use the bail sensor test to help
troubleshoot.
Use the bail sensor test to help
troubleshoot. Check for a sticky sensor
flag.
Check for Mechanical problems.
Perform the Bail Calibration.
Replace EPROMs.
Replace main PCA.
Replace main PCA.
Replace main PCA.
Replace EEROM.
Replace main PCA.
Troubleshooting
0Ω
8-7