Epson DFX-9000 Service Manual page 114

Epson DFX 9000
Fatal Error Code 04: PF Driver Error
The Mechanism Control ASIC detected either:
Abnormal current to the LF motor
A single phase of the LF motor was energized longer than the
allowed period of time.
Either the driver, motor, or both have malfunctioned.
Check both the LF motor and the driver on the ROM Board (HIC1:
SLA7025). Replace the LF MOTOR
both as necessary.
Fatal Error Code 05: CR Error
This error occurs if, during the deceleration step count operation, the
number of deceleration steps before the carriage stops exceeds the value
specified in ROM.
Check and replace the following in the order below. Check functionality
at each step.
1. Check the CES SCALE for damage, contamination, abnormal marks
and improper installation. Reinstall or replace the
(p.159) if necessary.
2. Replace the CARRIER UNIT (p.191)
the Carrier Unit).
3. Replace the ROM BOARD
Fatal Error Code 06: High Volt Error
The motor (42 V) or head drive (37 V) voltage rose above the allowable
level.
Troubleshooting
(p.161), ROM BOARD (p.137), or
CES SCALE
(the CE sensor is located on
(p.137).
This error indicates a power output problem, or a voltage detection
circuit failure.
Check and replace the following in the order below, checking
functionality at each step.
1. POWER UNIT (p.136)
2. ROM BOARD (p.137)
Fatal Error Code 07: Low Volt Error
The motor (+42 V) or head drive (+37 V) voltage fell below the
allowable level.
This error indicates a power output problem, or a voltage detection
circuit failure.
Check and replace the following in the order below, checking
functionality at each step.
1. POWER UNIT (p.136)
2. ROM BOARD (p.137)
Fatal Error Code 08: Over Load Error
If a voltage overload is detected, the printer automatically enters low-
speed printing mode. If the voltage does not then return to normal, this
fatal error occurs, and the +42 V and +37 V lines are shut down.
This error indicates a power output problem, or a voltage detection
circuit failure. Check and replace the following in the order below,
checking functionality at each step.
1. POWER UNIT (p.136)
2. ROM BOARD (p.137)
Troubleshooting
Revision B
107