3-4 WorkCentre C2424 Service Manual
POST Error Reporting
POST checks the communication paths within the electronics module and to other
various system components.
POST testing initializes the control panel, and in most cases if an error occurs, a text
message is displayed on the control panel along with an LED blink code flashing on
all three LEDs (control panel LED, PS LED and PE LED). If initialization of the
control panel fails, POST errors will still report using the LED blink patterns. The
sum of the flashes, blinking in increments of 5, equal the error code. For example, 7
flashes equals error code 7.
“Soft” POST errors, that do not prevent the system from powering up Complete.ly,
are displayed on the control panel for 5 seconds and then the system continues
through the remainder of POST. There are no rear panel LED codes associated with
soft errors. Most soft errors will cause the system to print a Startup Page with the
error message on it.
Note
* Before replacing the electronics module for any POST errors, do the
following:
1. Unplug all wiring and/or cables to the electronics module.
2. Plug in the AC power cable and power on the system electronics module.
3. If the error blink pattern is now different from the original error reported before
Step 1, the problem may not be in the electronics module, see "Electrical
Troubleshooting" on page 4-58.
3Rapid
blinking
System hangs during code initialization.
1. Unplug all cables from the electronics module.
2. Plug in the power cable.
3. Power on the electronics module (system).
4. If the problem still occurs, reseat the RAM DIMMs.
5. Replace the electronics module. For disassembly, see
"Electronics Module" on page 8-61. For replacement, go to
the parts list on page 9-12.
BIST Error Reporting Blink Pattern Definition Table (Continued)
PE LED PS LED Description
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