CHAPTER 6 SELF DIAGNOSIS6-30E7190001 The communication between the Card Reader-C1 or the coin vendor and themain controller PCB is disrupted.Main cause The wiring is faulty (short circuit, open circuit). The Card Reader-C1 isfaulty. The coin vendor is faulty. The main controller PCB is faulty.Caution To clear the error, execute the following in service mode:COPIER>FUNCTION>CLEAR>ERR.Action1. ConnectorIs the Cad Reader-C1 or the coin vendor connected securely?NO: Connect it securely.2. Coin vendor, Main controller PCBTry replacing the Card Reader-C1 or the coin vendor. Is the problem cor-rected?YES: End.NO: Replace the main controller PCB.E7320001 A fault is detected by the main controller PCB in the communication be-tween reader controller PCB and the main controller PCB.Main cause The connector has poor connection. The reader controller PCB is faulty.Action1. Connector, Reader controller PCBIs the connection between the connector J1014 on the main controller PCBand the connector J409 on the reader controller PCB normal?NO: Correct the connection.YES: Replace the reader controller PCB.
