Error J-1903 Follow

Classification

PFU1 
 

JAM Code

J-1903 
 

Cause

During operation: One of PF front door open jam, PF vertical
conveyance door open jam, horizontal conveyance door/Rt open jam,
or horizontal conveyance door/Lt open jam. One of the front door open
close sensor (PS23), vertical conveyance door sensor (PS24),
horizontal conveyance door sensor/1 (PS21), or horizontal conveyance
door sensor/2 (PS22) becomes inactive.

Correction

Close one of the PF front door,
PF vertical conveyance door,
horizontal conveyance door/Rt or
horizontal conveyance door/Lt.