Epson DFX-9000 Service Manual page 115

Epson DFX 9000
Fatal Error Code 09: FAN1 Driver Error
0A: FAN2 Driver Error
0B: FAN3 Driver Error
0C: FAN4 Driver Error
The ROM Board is sending drive current to the Fans, but the fan rotation
sensor is not detecting rotation in one or more of the fans.
There is a malfunction in the Fan, Fan cable connector, sensor
connector, or Fan driver circuit. Check the following in the order below,
testing functionality at each step. Test the Fan driver circuitry on the
ROM Board before installing a replacement fan.
1. Check the appropriate CNFANx (1 ~ 4) connector on the Sensor
Board. See 4.2.3.3 SENSOR BOARD UNIT
2. Check connectors CNSEN2 (42 V drive voltage supply connector),
and CNSEN1 (FAN alarm signal input) on the ROM Board,
4-13 on page 140.
3. Check and replace the FAN MOTORS (FAN1 MOTOR to FAN4
MOTOR) (p.208).
4. Replace the SENSOR BOARD UNIT
5. Replace the ROM BOARD
Fatal Error Code 0D: No Head Error
A check of the print head thermistor circuit during power-on
initialization determined that the PRINT HEAD is not installed. This
error is caused by the following:
The Print Head is not installed.
The Print Head built-in thermistor element has failed.
The Carrier Cable is disconnected or damaged.
The Print Head temperature detection circuit has failed.
Troubleshooting
(p.139).
(p.139).
(p.137).
Check the following in the order below, testing functionality at each
step.
1. Check that the
2. Check the Carrier Cable connections. If the Carrier Cable is
damaged, replace the
3. Check the following connectors on the ROM BOARD,
on page 137:
CNFHD1
CNFHD2
CNRHD1
CNRHD2
4. Replace the ROM BOARD
Figure
Fatal Error Code 0E: Head Driver Error
At least one pin of the print head has been energized for an excessive
period of time.
This error is caused by a damaged Print Head drive element (TA1 to
TA9: SDH02), or a short in the Carrier Cable.
1. Check and replace the
the printer.
2. If the error still occurs, replace the
Troubleshooting
PRINT HEAD (p.152) is installed correctly.
CARRIER CABLE UNIT
(p.137).
CARRIER CABLE UNIT
ROM BOARD
Revision B
(p.189).
Figure 4-10
(p.189), and retest
(p.137).
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