Konica Minolta 7145 Service Manual page 220

ERROR CODE LIST
Classification Warning
code
Fan lock F52-8
abnormalities (7145)
F52-9
F52-10
(7235)
Image control E56-1
communication
abnormalities
E56-2
E56-3
3
Causes
FM7 (Internal cooling fan /2)
abnormality
When the motor lock signal (EM)
was detected at the specified
cycle with [H] detected continu-
ously, the fan has been judged
abnormal at the two succeeding
retries.
HD-103 cooling fan abnormality
When a lock signal was detected
while in the HDD operation.
FM7 Polygon cooling fan abnormality
When motor lock signal (EM) was
detected at the specified cycle
with [H] also detected continu-
ously, the fan was judged to be
abnormal after being twice
retried.
Communication abnormality
between system-control of the
SCB (System control board) and
engine-control of the CB (Main
body control board).
Occurs if SCB fails to responds
when SW2 (Sub power switch)
turns ON.
Communication abnormality
between system-control of the
SCB (System control board) and
engine-control of the CB (Main
body control board).
While on standby, the process
Ready signal has not been
detected for the specified period
of time.
Communication abnormality
between system-control of the
SCB (System control board) and
engine-control of the CB (Main
body control board).
While on standby, the scanner
Ready signal has not been
detected for the specified period
of time.
7145 series Field Service Ver.4.0 Mar. 2004
Resulting
operation
The main
body stops
immediately,
and the RL1
(Main) turn
OFF.
Engine power
supply OFF
4-48
Estimated abnormal parts
FM7 (Internal cooling fan /2)
CB (Main body control board)
HD-103 Cooling fan
SCB (System control board)
FM7 (Polygon cooling fan)
CB (Main body control board)
SCB (System control board)
CB (Main body control board)