Error Code 400D800


Error Code: 400D800

Result: CS41A and CS41B dark detection during initializing or dispense reserved operation


1. Check 4 cassette specifications for CDU version

2. Remove the ramining notes and foreign objects at the position of the CS41A and CS41B sensors

3. Check if 3 cassette FM B/D CN2 and 4 cassette FM B/D CN1 are connected

4. Check settings of 4 cassette

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