OKIDATA OL400e Series, Service Manual

Page: 295 / 397

Controller Error ERROR 60 An optional RAM
board error was
detected. 1. Verify that the optional
RAM board is properly
connected.
2. Replace the optional
RAM boardif the problem
continues, replace the
main controller board.
Controller Error ERROR 70 A fault occurred
with the fan motor. 1. Verify that the fan
motor is properly
connected thenreplace
the fan motor.
2. Replace the main
controller board.
Controller Error ERROR 71 A fault occurred
with the fusing unit. 1. Replace the fusing
unit.
2. Replace the main
controller board.
Controller Error ERROR 72 A fault occurred
with the thermistor
(Open Check Error) 1. Replace the fusing
unit.
2. Replace the main
controller board.
Controller Error ERROR 73 A fault occurred
with the thermistor.
(Short Check Error) 1. Replace the fusing
unit.
2. Replace the main
controller board,
Controller Error ERROR 80 Interface time-out
occurred between
the main controller
board and the
operator panel. If this error occurs
frequently, replace the
following.
1. Flexible cable.
2. Operator panel
3. Main controller board
Controller Error ERROR 81 Interface time-out
occurred between
the main controller
board and the
optional tray. 1. Replace the main
controller board
2. Replace the optional
envelope tray.
Controller Error ERROR 90 A watchdog timer
time-out occurred. If this error occurs
frequently, replace the
main controller board.