Panasonic DP-MB310EU - Page 195

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KX-MB2230EU/ KX-MB2270EU/ KX-MB2515EU/ KX-MB2545EU/ KX-MB2575EU/ DP-MB310EU
12.3.5.7. CALL SERVICE 17
“CALL SERVICE 17” means that the OPC First use sensor problem.
Especially "CALL SERVICE 17" is appeared when the fuse which is installed in the OPC Unit PCB is not blown out within a specific
time.
Note:
Refer to OPC Life Sensor Circuit (P.87) for technical description.