C0Ba0:Elevator Motor (M7-Fn) Drive Malfunctions - Konica Minolta FS-501 Service Manual

Trouble code
2.3.7

C0BA0:Elevator Motor (M7-FN) drive malfunctions

A. Detection timing
Malfunction code
The Elevator Tray Upper Limit Sensor PQ (PWB-D FN) is not activated even after
the lapse of a given period of time after M7-FN has been energized (to start raising
the Elevator Tray).
C0BA0
The Elevator Tray Upper Limit Switch (S2-FN) or Elevator Tray Lower Limit Switch
(S3-FN) is actuated after M7-FN has been energized.
B. Action
Elevator Tray Upper Limit Sensor PQ (PWB-D FN)
Elevator Tray Upper Limit Switch (S2-FN)
Elevator Tray Lower Limit Switch (S3-FN)
Elevator Motor (M7-FN)
Step
Check the motor and sensor connectors
1 for proper connection, and correct as
necessary.
Check the connector of motor for proper
2 drive coupling, and correct as neces-
sary.
3 PWB-D FN I/O, sensor check
4 S2-FN operation check
5 S3-FN operation check
6 M7-FN operation check
7 PWB-A FN replacement
4-14
Relevant electrical parts
Action
FS-501 Field Service Ver2.0 Sep. 2004
Description
Control Board (PWB-A FN)
WIRING DIAGRAM
Control signal
-
-
PWB-A FN PJ21A FN-2,4
PWB-A FN PJ18A FN-4
PWB-A FN PJ16A FN-4
PWB-A FN PJ5A FN-1,2
-
Location
(Electrical compo-
nents)
-
-
I-7
F-9
E-9
D-2
E-5