Self Diagnostic Codes - Olivetti DF-790 Service Manual

(2) Self diagnostic codes

If the part causing the problem was not supplied, use the unit including the part for replacement.
Code Contents
8010 Punch motor error 1
When the punch motor is
driven, punch home position
sensor does not turn on within
200 ms.
8020 Punch motor error 2
Home position is not obtained
in 3 seconds after home posi-
tion is initialized or in standby.
Y113480-7
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 home position sensor and punch
PWB (YC8)
Punch PWB (YC1) and DF main PWB (YC7)
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 Punch motor and punch PWB (YC4)
finisher). Punch home position sensor and punch
PWB (YC8)
Punch PWB (YC1) and DF main PWB (YC8)
Defective punch Replace the punch home position sensor.
home position sen-
sor.
Defective punch Replace the punch motor.
motor.
Defective PWB. Replace the punch PWB or DF main PWB
and check for correct operation.
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)
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 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.
1-4-12
3NB/3ND/3N0/3NK
Check procedures/
corrective measures
Sevice Manual