C0998: Lct Shift Failure - Konica Minolta bizhub C350 Service Manual

PC-401 Field Service Ver2.0 Sep. 2004
2.3.5

C0998: LCT Shift Failure

A. Detection timing
Malfunction code
The Shifter Return Position Sensor (PC11-LCT) is not blocked even after the set
period of time has elapsed after the shift operation began (shift to the right).
The Shifter Return Position Sensor (PC11-LCT) is not blocked even after the set
pulse is detected by the Shift Motor Pulse Sensor (PC8-LCT) after the shift opera-
tion began (shift to the right).
The Shifter Home Position Sensor (PC12-LCT) is not unblocked even after the set
pulse is detected by the Shift Motor Pulse Sensor (PC8-LCT) after the shift opera-
tion began (shift to the right).
C0998
The Shifter Home Position Sensor (PC12-LCT) is not blocked even after the set
period of time has elapsed after the return operation began (shift to the left).
The Shifter Home Position Sensor (PC12-LCT) is not blocked even after the set
pulse is detected by the Shift Motor Pulse Sensor (PC8-LCT) after the return oper-
ation began (shift to the left).
The Shifter Return Position Sensor (PC11-LCT) is not unblocked even after the set
pulse is detected by the Shift Motor Pulse Sensor (PC8-LCT) after the return oper-
ation began (shift to the left).
B. Action
Shift Motor Pulse Sensor (PC8-LCT)
Shifter Return Position Sensor (PC11-LCT)
Shifter Home Position Sensor (PC12-LCT)
Step
Check the sensor connectors for proper
1
connection, and correct as necessary.
2 PC8-LCT I/O, sensor check
3 PC11-LCT I/O, sensor check
4 PC12-LCT I/O, sensor check
5 PWB-C1 LCT replacement
Relevant electrical parts
Action
Description
Main Control Board (PWB-C1 LCT)
WIRING DIAGRAM
Control signal
-
PWB-C1 LCT PJ3C1 LCT-3
PWB-C1 LCT PJ3C1 LCT-7
PWB-C1 LCT PJ3C1 LCT-8
-
Trouble code
Location
(Electrical compo-
nents)
-
G-2
E-2
D-2
E-8
4-9