CHAPTER 6 SELF DIAGNOSIS6-25E7100001 When the main power is turned on, the communication IC (IPC) on thereader controller PCB cannot be initialized.0002 When the main power is turned on, the communication IC (IPC) on the DCcontroller PCB cannot be initialized.0003 When the main power is trend on, the communication IC (IPC) on the maincontroller PCB cannot be initialized.Main cause The DC controller PCB is faulty. The reader controller PCB is faulty. Themachine controller PCB is faulty.ActionMalfunction, PCBsTurn off and then on the main power switch. Is the problem corrected?YES: End.NO: If E7100001, replace the reader controller PCB.If E710-002, replace the DC controller PCB.If E71-0003, replace the main controller PCB.
