Olivetti d-COLOR P2026, Service Manual, Page: 62 / 207

Check procedures/
corrective measures
Replace the hard disk and check for correct
operation.
Replace the main PWB and check for cor-
rect operation (see page 1-5-29).
Code
0640
Contents
Hard disk error
The hard disk cannot be
accessed.
Faults of RTC
The time is judged to go back
based on the comparison of
the RTC time and the current
time or five years or more
have passed.
EEPROM bus error
Causes
Defective hard
disk.
Defective main
PWB.
0840 The battery is dis- Check visually and remedy if necessary
connected from the
main PWB.
Defective main
PWB.
Defective drum
PWB (EEPROM).
Defective engine
PWB (EEPROM).
Defective engine
PWB.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-29).
Replace the drum unit (see page 1-5-20).
Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
Replace the main PWB and check for cor-
rect operation (see page 1-5-29).
Check to see if the bottom plate can move
smoothly and repair it if any problem is
found.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Lift motor and engine PWB (YC27)
Defective drive
transmission sys-
tem of the lift
motor.
Defective engine
PWB.
Check if the gears rotate smoothly. If not,
grease the bushes and gears. Check for
broken gears and replace if any.
0930
1010 Lift motor error
When the lift motor is driven,
the motor over-current detec-
tion signal is detected continu-
ously for 50 times (5 s) at 100
ms intervals.
After the lift motor is driven,
the ON status of lift sensor
cannot be detected for 8 s.
The cassette installed confir-
mation message is displayed
on the operation panel, and
even if the cassette is opened
and closed, the cassette
installed confirmation mes-
sage is displayed 5 times suc-
cessively.
Defective bottom
plate elevation
mechanism in the
cassette.
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective lift motor. Replace the lift motor
Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
1-4-8