6. Troubleshooting
6-2
SAM4S ER-350 SERIES
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.
Summary of Contents for ER-250RF
Page 18: ...3 Installation and Operation 3 8 SAM4S ER 350 SERIES MEMO...
Page 26: ...5 Alignments and Adjustments 5 2 SAM4S ER 350 SERIES MEMO...
Page 38: ...7 Exploded Views and Parts List 7 10 SAM4S ER 350 SERIES MEMO...
Page 40: ...8 Block Diagram 8 2 SAM4S ER 350 SERIES MEMO...
Page 58: ...SAM4S ER 380M F SERIES 10 14 MEMO...
Page 60: ...Shin Heung Precision JAN 2004 Printed in KOREA V1 0 Code No JK68 60926A...
