Konica Minolta 8050 Service Manual page 326

ERROR CODE LIST
Classification Abnormality
code
Commu- E50-10
nication
abnor-
mality
E50-11
Fan F52-01
abnor-
mality
F52-02
F52-03
Opera- E56-02
tion
board
abnor-
mality
E56-11
1
KONICA MINOLTA 8050/CF5001/C500/8150 Field Service Ver.3.0 Dec. 2004
Causes
Line status error and check
sum error was detected
between the overall control
board (OACB) and image pro-
cessing board (IPB) and
demand for re-transmission
was sent but recovery could
not be attained.
Re-transmission was
demanded and answered but
recovery could not be attained.
Space is not obtained in the
transmission ring buffer within
the specified time.
Communication with the coin
vendor cannot be performed.
When the DCPS cooling fan
(M42) was ON, M42 abnormal-
ity detection signal was contin-
uously detected for the
specified time.
When the IP cooling fan (M24) was
ON, M24 abnormality detection
signal was continuously detected
for the specified time.
When the IPB cooling fan
(M25) was ON, M25 abnormal-
ity detection signal was contin-
uously detected for the
specified time.
After the sub power switch (SW2)
is turned ON, communication
between the printer control board
(PRCB), overall control board
(OACB), and operation board /1
(OB1) is not started.
When the sub power switch
(SW2) was turned ON, unwrit-
ten control program 01 of oper-
ation board /1 (OB1) was
detected.
5-22
Resulting Estimated abnormal parts
operation
Main body Overall control board (OACB)
stops immedi- Image processing board (IPB)
ately and main
relay (RL1) is
turned OFF.
Printer control board (PRCB)
Coin vendor
Printer control board (PRCB)
DCPS cooling fan (M42)
Printer control board (PRCB)
IP cooling fan (M24)
Printer control board (PRCB)
IPB cooling fan (M25)
Printer control board (PRCB)
Overall control board (OACB)
Operation board /1 (OB1)
Operation board /1 (OB1)