Epson DFX-9000 - Troubleshooting Based on Error Codes

Epson DFX 9000 Revision B
Troubleshooting Troubleshooting 106
3.3.2 Troubleshooting based on error codes
This section describes troubleshooting based on the error codes that are
displayed when a fatal error occurs.
Fatal Error Code 01: LES Error
The left end (LE) position is not detected.
 During the power on initialization carriage positioning operation, the
LE Sensor (LES) signal is not detected.
 During normal carriage operation, the left end position is not
detected even though the carriage has reached a position where the
LE sensor signal should be detected.
Check, and if necessary replace, the following in the order below.
1. Check for a damaged or incorrectly-connected Carrier Cable Unit
(FFC cable). Reconnect or replace the as necessary. See 4.2.4.16
CARRIER CABLE UNIT (p.189).
2. Check the LE sensor and its connector, and the Carrier PCB. If either
are malfunctioning, replace the Carrier Unit. See 4.2.4.17
CARRIER UNIT (p.191).
3. Check and replace the ROM BOARD. See 4.2.3.2 ROM BOARD
(p.137).
Fatal Error Code 02: CR Driver Error
The SP motor or driver circuit (IC18) is malfunctioning.
 The Mechanism Control ASIC has detected an abnormal current
flow to the SP motor.
 A single phase of the SP motor was energized for longer than the
allowed period of time.
Either the SP motor, driver, or both have malfunctioned.
Check both the SP motor and driver, and replace the SP MOTOR ASY
(p.156), and/or ROM BOARD (p.137) as necessary.
Fatal Error Code 03: CR Horizontal Position Error
The SP motor brake signal did not switch on within 3 seconds after
turning the printer on.
Check, and if necessary replace, the following in the order below.
1. Check for disconnected SP motor-related connectors (ROM
BOARD: CNSPHS, CNSPM), See 4.2.3.3 SENSOR BOARD
UNIT (p.139).
2. Check the Interlock switch, and if necessary replace the INLK SW
ASY (p.146).
3. Check both the SP motor and driver. (Always check both.) Check for
a broken fuse on the SP motor 42 V line. Replace the SP MOTOR
ASY (p.156), and/or ROM BOARD (p.137) as necessary.