Olivetti d-Copia 2500MF Service Manual page 151

Code
C1020 Lower lift motor error
When cassette 2 is inserted, lower lift
limit switch does not turn on within 12 s
of lower lift motor turning on.
C1030 Paper feeder lift motor 1 error
(optional paper feeder)
When optional cassette 3 is inserted,
paper feeder lift switch 1 does not turn
on within 12 s of paper feeder lift motor 1
turning on.
C1040 Paper feeder lift motor 2 error
(optional paper feeder)
When optional cassette 4 is inserted,
paper feeder lift switch 2 does not turn
on within 12 s of paper feeder lift motor 2
turning on.
Y108620-5
Contents
Causes
Poor contact in the Check the connection of connector of lower
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 lower lift motor.
couplings of lower
lift motor.
Defective lower lift Check for continuity across the coil. If none,
motor. replace lower lift motor.
Defective lower lift Check if YC23-A2 on the engine PWB goes
limit switch. low when lower lift limit switch is turned off. If
not, replace lower lift limit switch.
Poor contact in the Check the connection of connector of lower
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.
Poor contact in the Check the connection of connector YC22 on
connector termi- the engine PWB and the connector on the
nals. paper feeder main PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Broken gears or Replace paper feeder lift motor 1.
couplings of paper
feeder lift motor 1.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 1. replace paper feeder lift motor 1.
Defective paper Check if YC1-5 on the paper feeder main
feeder lift switch 1. PWB goes low when paper feeder lift switch
1 is turned off. If not, replace paper feeder lift
switch 1.
Poor contact in the Check the connection of connector YC22 on
connector termi- the engine PWB and the connector on the
nals. paper feeder main PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Broken gears or Replace paper feeder lift motor 2.
couplings of paper
feeder lift motor 2.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 2. replace paper feeder lift motor 2.
Defective paper Check if YC1-7 on the paper feeder main
feeder lift switch 2. PWB goes low when paper feeder lift switch
2 is turned off. If not, replace paper feeder lift
switch 2.
Service Manual
Remarks
Check procedures/corrective measures
2H0/2HZ
1-4-21