Self Diagnostic - Kyocera ECOSYS P2235dn Service Manual

7-2Self diagnostic

(1) Self diagnostic function
This machine is equipped with a self-diagnostic function. When a problem is detected, the machine stops
operating and displays an error message on the operation panel. An error message consists of a message
prompting a contact to service personnel and a four-digit error code indicating the type of error.
(2) Self diagnostic codes
If the parts of the failure cause is not supplied, replace the unit that includes it.
*: Before attempting to check the fuser unit and the low voltage power supply PWB, be sure to turn the
power switch off and unplug the machine from power. (Allow at least 5 s before starting to conduct ser-
vice until the capacitors on the circuit boards have been completely discharged.)
Indica-
tion
0100 Backup memory device error
Outputs an abnormal status from the
flash memory.
0120 MAC address data error
In case MAC address is invalid data
0130 Backup memory Read/write error
Read/write to the NAND memory
cannot be executed.
0140 Backup memory data error
At power up, the data that was read
from the NAND memory has been
determined to be a error.
0150 EEPROM read/write error (Main/
Engine PWB)
Mismatch of reading data from two
locations occurs 8 times succes-
sively. Mismatch between writing
data and reading data occurs 8
times successively.
0160 Backup memory data error
Illegal data is detected in the
EEPROM Counter data checksum
does not match in all buffers
0170 Billing counting error
Checksum error was detected both
in the billing counter and IPU backup
memory
Contents Related parts Check procedures/corrective mea-
Flash memory Replace the main/engine PWB. (see
page 4-63)
Main/Engine Replace the main/engine PWB. (see
PWB page 4-63)
Flash memory Replace the main/engine PWB. (see
page 4-63)
Flash memory Replace the main/engine PWB. (see
page 4-63)
Main/Engine Replace the main/engine PWB. (see
PWB page 4-63)
Flash memory Replace the main/engine PWB. (see
page 4-63)
Main/Engine Replace the main/engine PWB. (see
PWB page 4-63)
EEPROM(YS1) Confirm that the EEPROM has been
properly installed and repair if failed.
(see page 4-63)
Main/Engine Replace the main/engine PWB. (see
PWB page 4-63)
EEPROM(YS1) Contact the service support.
EEPROM(YS1) Check that the EEPROM (YS1) is firmly
installed and repair it if failed. (see page
4-63)
Main/Engine Replace the main/engine PWB. (see
PWB page 4-63)
EEPROM(YS1) Contact the service support.
Main/Engine Replace the main/engine PWB. (see
PWB page 4-63)
EEPROM(YS1) Contact the service support.
7-14
2RV/2RW/2RX/2RY/3RA-1
sures