Konica Minolta 7155 Service Manual page 618

ERROR CODE LIST
Warning
Classification
Code
Image control E46-91 The header read address is illegal.
abnormality
E46-99 E-RDH memory initialization error
Communica- E49-01 IP-511 connection was confirmed, but
tion abnor-
mality
E49-02 Transmission from IP-511 to ICB
E49-03 Direct Memory Access error
E49-04 IP-511 builtin HDD error.
E49-05 IP-511 cooling fan lock error.
E50-01 Main body drive serial input error 1.
E50-02 Main body drive serial input error 2.
E50-03 Main body drive serial input error 3.
E50-04 Main body drive serial input error 4.
E50-05 Drive board communication reception
E50-10 Image control board communication
E50-11 Image control board communication
MODEL
7155/7165/7255/7272 SERVICE MANUAL
Cause
E-RDH memory may not be connected
properly.
it does not operate normally.
(Image control board) failed.
Serial data is not received from the
main body drive section within 0.5 sec-
ond after reception of power-on ACK.
Serial data is not received from the
main body drive section within 0.5 sec-
ond after reception of power-on ACK.
Serial data is not received from the
main body drive section within 0.5 sec-
ond after reception of power-on ACK.
Serial data is not received from the
main body drive section within 0.5 sec-
ond after reception of power-on ACK.
error detection fault.
A reception error occurred during
reception of drive board serial data, or
a data checksum error or ID informa-
tion error occurred four consecutive
times although a resent request had
been issued three times.
error.
Initial data is not received from ICB
(image control board) within 10 sec-
onds after power-on.
serial reception error detection fault.
MANUAL REVISED EDITION
Machine response
If copy operation is
being performed, the
machine stops after
paper ejection.
RL1 (main) is turned
OFF.
The machine stops
immediately. RL1
(main) is turned OFF.
DATE
5-23
Dec. 2003
4
Estimated
abnormal parts
ICB (image control board)
MU-401/402
IP-511 system board
IP-511 HDD
IP-511 cooling fan
motor
PRCB (printer control board)
PRCB (printer control board)
Drive boards
PRCB (printer control board)
ICB (image control board)
ICB (image control board)
PAGE METHOD
5-46 REPLACEMENT