1.SC Codes
154
If it is defective, replace it. Turn the main power OFF and then ON.
6. Replace the PCB. Turn the main power OFF and then ON.
SC515-15
Error Name
A3 LCT Contact Motor Error (Unit 1)
Pattern
B
Error Condition
The status of the contact sensor does not change when the contact motor is running.
Major Cause
ï‚· Power of the downstream unit is not turned on
ï‚· A3 LCT contact motor is defective or not connected properly.
ï‚· Contact sensor is defective or not connected properly.
ï‚· Harnesses are damaged.
ï‚· PCB is defective.
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Check the connectors of the harnesses (contact sensor / A3 LCT contact motor).
Reconnect the connectors. Turn the main power OFF and then ON.
2. Check the contact sensor.
If it is defective, replace it. Turn the main power OFF and then ON.
3. Check the A3 LCT contact motor.
If it is defective, replace it. Turn the main power OFF and then ON.
4. Check the harnesses (contact sensor / A3 LCT contact motor).
If the harnesses are defective, replace the harnesses. Turn the main power OFF and then ON.
5. Replace the PCB. Turn the main power OFF and then ON.
SC515-16
Error Name
A3 LCT Contact Motor Error (Unit 2)
Pattern
B