< No response from tray detector (1502)

Error content	No response from tray detector.
Detail	Unable to communicate between the console and the tray detector. The communication phase number is in the sub-error. Errors after power ON process completion result in this error.
Solution	[STOP] button => Cut communication with the detector. Operate without the detector. [REEXEC] button => Check connection with the detector. If connection can be confirmed, the error is cleared.
Action by user
Action by service representative	Confirm the RS485 communication line of the main board (P-1100, P-1163, P-1000). Confirm RS485 communication line [A221 XJ-11] and 24VDC power supply [A221 XJ-9] of the detector board.
Related part	Main board (P-1100, P-1163, P-1000) [A10] Detector board (P-1107) [A221]
Remarks