OKIDATA OL400e Series, Service Manual

Page: 294 / 397

Page: 186
Service Manual for OL400e/OL410e/OL410e-PS
Chapter 4 Failure & Repair Analysis
Front Panel Messages: Controller Errors
Category LCD Message Problem Solution
Controller Error ERROR nn
(LED is NOT lit)
An error occurred
with controller
board. 1. Power OFF, then ON
to recover from the error.
2. If the problem
remains, use the
following solutions.
Controller Error ERROR 10 An error was
detected by the
program ROM
check. Replace the main
controller board.
Controller Error ERROR 20 An error was
detected by the font
ROM check. Replace the main
controller board.
Controller Error ERROR 30 An error was
detected by the
resident RAM
check. Replace the main
controller board.
Controller Error ERROR 40 An error was
detected by the
EEPROM check Replace the
EEPROM.Replace the
main controller board.
Controller Error ERROR 50 An Font Card error
was detected. 1. Verify that he Font
Card is properly
connected
2. Replace the Font
Card, if the problem
continue replace the
main controller board