Olivetti d-Copia 300 Service Manual page 200

2FD/2FF/2FG
Code
C1030 Desk upper lift motor problem
• When the upper drawer of the
optional paper feeder is inserted, the
desk upper lift limit switch does not
turn on within 10 s of the desk upper
lift motor turning on. At this time,
removal and insertion of the drawer is
prompted. Even after removal and
insertion of the drawer, the upper lift
limit switch does not turn on. This
problem occurs four times
continuously.
C1040 Desk lower lift motor problem
• When the lower drawer of the optional
paper feeder is inserted, the desk
lower lift limit switch does not turn on
within 10 s of the desk lower lift motor
turning on. At this time, removal and
insertion of the drawer is prompted.
Even after removal and insertion of
the drawer, the lower lift limit switch
does not turn on. This problem occurs
four times continuously.
C1100 Paper deck motor 1* problem
• A motor over-current signal is de-
tected continuously for 1 s or longer.
1-5-26
Contents
Causes Check procedures/corrective measures
Broken gears or Replace the desk upper lift motor.
couplings of the
desk upper lift
motor.
Defective desk Check for continuity across the coil. If
upper lift motor. none, replace the desk upper lift motor.
Poor contact of Reinsert the connector. Also check for con-
the desk upper lift tinuity within the connector cable. If none,
motor connector repair or replace the cable.
terminals.
Defective desk Check if CN1-5 on the desk main PCB
upper lift limit goes low when the desk upper lift limit
switch. switch is turned off. If not, replace the desk
upper lift limit switch.
Poor contact of Reinsert the connector. Also check for con-
the desk upper lift tinuity within the connector cable. If none,
limit switch con- repair or replace the cable.
nector terminals.
Broken gears of Replace the desk lower lift motor.
couplings of the
desk lower lift mo-
tor.
Defective desk Check for continuity across the coil. If
lower lift motor. none, replace the desk lower lift motor.
Poor contact of Reinsert the connector. Also check for con-
the desk lower lift tinuity within the connector cable. If none,
motor connector repair or replace the cable.
terminals.
Defective desk Check if CN1-7 on the desk main PCB
lower lift limit goes low when the desk lower lift limit
switch. switch is turned off. If not, replace the desk
lower lift limit switch.
Poor contact of Reinsert the connector. Also check for con-
the desk lower lift tinuity within the connector cable. If none,
limit switch con- repair or replace the cable.
nector terminals.
Paper deck motor Check the gears and remedy if necessary.
1 does not rotate
correctly (the mo-
tor is overloaded).
Paper deck motor Reinsert the connector. Also check for con-
1 connector tinuity within the connector cable. If none,
makes poor con- repair or replace the cable.
tact.
Remarks
*: Optional