Error Message - Sam4s ER-350 Service Manual

6. Troubleshooting
6-4 Drawer Failure
1. Check Drawer Solenoid and Harness. (Both ECR side and Drawer side)
2. Check circuit related to Drawer circuit. (IC6, D4)
6-5 Clock Failure
1. Check IC13, X1
6-6 Buzzer Failure
1. Check circuit related to Buzzer. (CPU, Buzzer, Q3)
6-7 Paper Senor Failure
1. Check Sensor and Connector Harness.
2. Check circuit related to Paper Sensor. (IC5)
6-8 Fiscal Memory Failure
1. Check the enabling signals for IC17(8255) from CPU.
2. Check A0, A1 /RD /WR and RESET.
3. Check state of voltages. (VPP, VCC)
4. Check Connector Harness of Fiscal Board.
6-9 System Failure
1. Check input voltage are 230V and 120V.
2. Check Fuse on Main PBC and cash output voltages.
3. Check Encoder signal and Power Fail Signal.
4. Check Reset Signal and Power Fail Signal.
5. Check contact of Mode Switch Connector srate.
6. Check FPC of key Board.

6-10 Error Message

1. E1: Key input error
2. E7: Disconnection of display error.
3. E8: Paper sensing error.
4. E9: Disconnection of printer and paper jam.
6-2 SAM4S ER-350 SERIES