Remedy: Setting condition of Bypass Feeder 1 Is the Bypass Feeder closed firmly? No Close it firmly. Main Control PCB (PW11520) 2 Can the error be fixed by replacing the Main Control PCB? Yes OK
Code: U-12
Description: Right Side Door Open
Causes: Right Side Door is open.
Remedy: Setting condition of Right Side Door 1 Is the Right Side Door closed firmly? No Close it firmly. Right Side Door Switch (DS1 & DS2) 2 Check the voltage at J202-2 on the Main Control PCB. Is it 5VDC when the door is open and 0VDC when it is closed? No 1. Check if the harness between switch and Main Control PCB damaged or disconnected. 2. Replace the switches (DS1 & DS2) if the harness is OK. Main Control PCB (PW11520) 3 Can the error be fixed by replacing the Main Control PCB? Yes OK
Code: U-13
Description: Top Rear Cover Open
Causes: Top Rear Cover is open.
Remedy: Setting condition of Top Rear Cover 1 Is the Top Rear Cover closed firmly? No Close it firmly. Top Rear Cover Connector (J91) 2 Check the voltage at J202-1 on the Main Control PCB. Is it 5VDC when the cover is open and 0VDC when it is closed? No 1. Check if the harness between switch and Main Control PCB damaged or disconnected. 2. Replace the connector (J91) if the harness is OK. Main Control PCB (PW11520) 3 Can the error be fixed by replacing the Main Control PCB? Yes OK
Code: U-14
Description: Exit Cover Open
Causes: Exit Cover is open.
Remedy: Setting condition of Exit Cover 1 Is the Exit Cover closed firmly? No Close the Exit Cover firmly. Exit Cover Switch (DS3 & DS4) 2 Check the voltage at J204-16 on the Main Control PCB. Is it 5VDC when the cover is open and 0VDC when it is closed? No 1. Check if the harness between switch and Main Control PCB is damaged or disconnected. 2. Replace the switches (DS3 & DS4) if the harness is OK. Main Control PCB (PW11520) 3 Can the error be fixed by replacing the Main Control PCB? Yes O