Problems At Power-On Initialization (Part 003/4) - Fujitsu DL7600 Maintenance Manual

3.1.1 Problems at power-on initialization (part 003/4)

4 [LED type]
The PAPER OUT lamp
blinks.
[LCD type]
Error message blinks.
Symptom
ROM/RAM alarm
[LED type]
Also HI IMPACT and
TRACTOR F lamps blink.
[LCD type]
LCD displays as follows
FATAL!
ROM/RAM ALARM
Low-voltage alarm
[LED type]
Also QUIET and TRACTOR R
lamps blink.
[LCD type]
LCD displays as follows
FATAL!
LOW VOLT ALARM
APTC home position sensor
alarm
[LED type]
Also AUTO GAP and
TRACTOR R lamps blink.
[LCD type]
LCD displays as follows
FATAL!
APTC HPS ALARM
LRES alarm
[LED type]
Also REMOVE PAPER and
TRACTOR F lamps blink.
[LCD type]
LCD displays as follows
FATAL!
LRES ALARM
Fire check alarm of ribbon feed
motor
[LED type]
Also REMOVE PAPER and
MENU2 lamps blink.
[LCD type]
LCD displays as follows
FATAL!
RBFM ALARM
Cause
Mismatch of ROM is
detected.
Low-voltage alarm is
detected.
• APTCHPSW ASY
is defective.
• The APTC motor
is defective.
• APTCHPSW ASY
is not connected.
• The driver board
is defective.
A LRES alarm is
detected.
• LES detection is
poor.
• The carriage cable
is defective.
• The driver board
is defective.
• The carriage cable
is disconnected.
Ribbon motor alarm is
detected.
A. The RF motor
connector is
disconnected.
B. The RF motor is
defective.
C. The control board
is defective.
25
Response
• Download correct
program to the flash
ROM.
• Replace the ROM
board .
• Replace the power
supply.
• Replace the control
board, then initialize
the EEPROM.
• Replace the
APTCHPSW ASY.
• Replace the APTC
motor.
• Connect the
APTCHPSW ASY
cable properly.
• Replace the driver
board.
• Clean or replace the
carriage PC board.
• Replace the
carriage cable.
• Replace the driver
board.
• Connect the carriage
cable properly.
A. Connect the
Connector correctly.
B. Replace the RF
motor.
C. Replace the control
board, then initialize
the EEPROM.