Description: Option board error
The main controller PCB (sub) for other model is detected at start-up.
Remedy: Replace with an appropriate main controller PCB (sub)
Code: E747
Description: Main controller PCB error (Image processing ASIC or memory control/communication control ASIC)
Remedy: Turn OFF and back ON the main power, Replace the main controller PCB (main)
Code: E748
Description: Main controller PCB error
Remedy: Disconnect and then connect the main controller PCB (Sub SJ/PE/R), Replace the main controller PCB (Sub SJ/PE/R), Disconnect and then connect the relay PCB (GU-short), Replace the relay PCB (GU-short), Disconnect and then connect the open interface PCB, Replace the open interface PCB, Replace the main controller PCB (main)
Code: E749-0001
Description: Restart in accordance with a change of the product configuration
The BootROM is replaced with a different type (when the PDL option is installed)
Remedy: Turn OFF and back ON the main power to recover
Code: E803-0001
Description: Door close error
Remote (+24V) OFF is detected soon after the door is closed.
Remedy: Check on connection of the front cover open/close switch (SW3) , Replace the front cover open/close switch
Code: E803-0002
Description: Door close error
Remote (+13V) OFF is detected soon after the door is closed
Remedy: Check on connection of the front cover open/close switch (SW3) , Replace the front cover open/close switch