Unit installation
AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 17
E8 0 Case 2 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check)
(Repair) Replace the PCU
MAIN PWB. / Power
Source-ON
(After-work) Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
PCU MAIN PWB to a new
PCU MAIN PWB.)
Case 3 Trouble
position/
cause
ICU MAIN PWB trouble
Remedy (Check)
(Repair) ICU MAIN PWB /
Power Source-ON
(After-work) Adjust ADJM9/
M10/M12/M13/M14/M15/
M17. / Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
ICU MAIN PWB to a new
ICU MAIN PWB.)
Main
code
Sub
code
Title
ICU MAIN PWB - PCU MAIN PWB
communication trouble (PCU side
detection)
E8 1 Phenomena Display Lamp
Message
Detail No response from ICU PWB
for PCU PWB command
(Caused by software
trouble)
Section ICU MAIN PWB / PCU
MAIN PWB
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
PCU MAIN PWB / ICU
MAIN PWB signal line
connection trouble
Remedy (Check) Check connection
of the signal line between
the PCU MAIN PWB and
the ICU MAIN PWB.
(Repair) Repair or replace
the cable and the connector
between the PCU MAIN
PWB and the ICU MAIN
PWB. / Power Source-ON
(After-work)
Main
code
Sub
code
Title
ICU MAIN PWB - PCU MAIN PWB
communication trouble (PCU side
detection)
E8 1 Case 2 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check)
(Repair) Replace the PCU
MAIN PWB. / Power
Source-ON
(After-work) Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
PCU MAIN PWB to a new
PCU MAIN PWB.)
Case 3 Trouble
position/
cause
ICU MAIN PWB trouble
Remedy (Check)
(Repair) ICU MAIN PWB /
Power Source-ON
(After-work) Adjust ADJM9/
M10/M12/M13/M14/M15/
M17. / Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
ICU MAIN PWB to a new
ICU MAIN PWB.)
Main
code
Sub
code
Title
Communication trouble between
PCU MAIN PWB - Finisher control
PWB (Detected by PCU MAIN PWB)
F1 0 Phenomena Display Lamp
Message
Detail Communication test error
after turning on the power
or canceling the simulation
Section PCU MAIN PWB/Finisher
control PWB
Operation
mode
When power ON/Initializing
Note
Case 1 Trouble
position/
cause
Signal line connection error
between the PCU MAIN
PWB and the finisher
control PWB
Remedy (Check) Check the signal
line connection between the
PCU MAIN PWB and the
finisher control PWB
(Repair) Repair or replace
the connector and the cable
between the PCU MAIN
PWB and the finisher
control PWB/Power OFF-
ON.
(After work)
Main
code
Sub
code
Title
ICU MAIN PWB - PCU MAIN PWB
communication trouble (PCU side
detection)