Olivetti DF-790 Service Manual page 66

Code Contents
8030 Punch motor error 3
Home position does not turn
from On to Off in 50 ms after
home position has been ini-
tialized.
8090 DF paddle motor error
When the DF paddle motor is
driven, DF paddle sensor
does not turn on within 1 s.
Service Manual
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (4000-sheet Punch motor and punch PWB (YC4)
finisher). Punch PWB (YC1) and DF main PWB (YC7)
Reinsert the connector. Also check for conti-
Defective connec-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (1000-sheet Punch motor and punch PWB (YC4)
finisher). Punch PWB (YC1) and DF main PWB (YC8)
Defective punch Replace the punch motor.
motor.
Defective PWB. Replace the punch PWB or DF main PWB
and check for correct operation.
(see page 1-5-2)
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (4000-sheet DF paddle motor and DF main PWB (YC15)
DF paddle sensor and DF main PWB
finisher).
(YC22)
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (1000-sheet DF paddle motor and DF main PWB (YC11)
finisher). DF paddle sensor and DF main PWB
(YC20)
Defective DF pad- Replace the DF paddle sensor.
dle sensor.
Defective DF pad- Replace the DF paddle motor.
dle motor.
Defective DF main Replace the DF main PWB and check for
PWB. correct operation.(see page 1-5-2)
1-4-13
3NB/3ND/3N0/3NK
Check procedures/
corrective measures
Y113480-7