Specifications

2-Bin/Shift Tray Options
6-71
6.6.3.2 Malfunction detection and trouble shooting procedures
6.6.3.2.1 Malfunction Detection (Shift Tray only)
A malfunction is detected under the following condition, causing the corresponding malfunction code to be
displayed on the machine control panel. (See “Service call error,” page 4-22.)
Malfunction
Code
Malfunction Detail Detection Timing
28
Shift Tray shift
motion failure
(When moving from home to shift position) The Shift Home
Sensor is blocked after a given period of time after the Shift
Motor has been energized (at which timing the motor is deener-
gized).
(When moving from shift to home position) The Shift Home
Sensor is not blocked even after the lapse of a given period of
time after the Shift Motor has been energized.
6.6.3.2.2 Malfunction Troubleshooting Procedures
Step Check Item Result Action
1 Does the Shift Tray move in the initial
operation?
YES Check step 4.
2 Does the Shift Tray slide smoothly when
the gear is turned manually with the Shift
Motor removed?
NO Check for contamination and improper
installation.
YES Check the wiring between the Main
Board and Shift Motor and, if it is intact,
change the motor.
3 Is an output signal being sent from the
Main Board to Shift Motor?
NO Change the Main Board.
4 Are the Shift Home Sensor and its light
blocking plate dirty?
YES Remove foreign matter or clean.
YES Change the Main Board.5 Is the Shift Home Sensor output signal
properly applied to the Main Board?
NO Check the wiring between the Main
Board and Shift Home Sensor and, if it is
intact, change the sensor.