Olivetti d-Copia 2500MF Service Manual page 150

2H0/2HZ
Code
C0640 Hard disk drive problem
The hard disk cannot be accessed.
C0700 Memory card error for backup
Optional fax backup kit (memory card) is
not suitable as backup.
C0800 Image processing problem
JAM05 is detected twice.
C0960 Developing unit EEPROM error
Reading from or writing to EEPROM
cannot be performed.
C1010 Upper lift motor error
When cassette 1 is inserted, upper lift
limit switch does not turn on within 12 s
of upper lift motor turning on.
1-4-20
Contents
Causes
Poor contact in the Check the connection of connector YC8 on
connector termi- the main PWB and the connector on the
nals. hard disk. Repair or replace if necessary.
Defective hard Run U024 (HDD formatting) without turning
disk. the power off to initialize the hard disk.
Replace the hard disk drive and check for
correct operation if the problem is still
detected after initialization.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Memory card Install memory card correctly.
installed incor-
rectly.
Defective memory Run the maintenance item U933 to initialize
card. the memory card (see page 1-3-79).
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector on the
connector termi- engine PWB and the continuity across the
nals. connector terminals. Repair or replace if
necessary.
Defective develop- Replace the developing unit.
ing unit.
Poor contact in the Check the connection of connector of upper
connector termi- lift motor and the connector YC23 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken gears or Replace upper lift motor.
couplings of upper
lift motor.
Defective upper lift Check for continuity across the coil. If none,
motor. replace upper lift motor.
Defective upper lift Check if YC23-B9 on the engine PWB goes
limit switch. low when upper lift limit switch is turned off.
If not, replace upper lift limit switch.
Poor contact in the Check the connection of connector of upper
connector termi- lift limit switch and the connector YC23 on
nals. the engine PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Service Manual
Remarks
Check procedures/corrective measures
Y108620-5