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ST-800/900
Maintenance manual
Introduction
Dear User and Maintenance Personnel:
Thank you for using our ST-800/900 model bill counter. ST-800/900 is a new
ideal machine which has a normal functions of COUNT、 UV、 MG、 IR、 DD、 BATCH、
SPEED, etc; And it is an elaborate design, simple operation, good appearance,
full-featured financial equipment. In order to provide better technical guidance for
users and maintenance personnel, master maintenance skills faster, writing this
manual for reference, the deficiency please advise.
CONTENT
1:Brief Instructions....................................................................................................2
2:Introduction of appearance.....................................................................................2
3:Explosive view and Spare Parts introduction.........................................................3
4.Operating Principle.................................................................................................4
5.Error Code Message................................................................................................4
6.Main board introduce...............................................................................................5
7.User Preference.......................................................................................................5
8.Testing method........................................................................................................6
9.Power on failure and solution.................................................................................6
10.Counting failure and solution................................................................................7
11.maintenance flow chart..........................................................................................7
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Summary of Contents for Sitten ST-800

  • Page 1: Table Of Contents

    Introduction Dear User and Maintenance Personnel: Thank you for using our ST-800/900 model bill counter. ST-800/900 is a new ideal machine which has a normal functions of COUNT、 UV、 MG、 IR、 DD、 BATCH、 SPEED, etc; And it is an elaborate design, simple operation, good appearance, full-featured financial equipment.
  • Page 2: 1:Brief Instructions

    ST-800/900 Maintenance manual 1、 Technical Parameter 1.1、voltage: 100-240Vac±10% 1.2、Frequency: 50-60Hz±3Hz 1.3、Input current: 1A(MAX) 1.4、Count number display: 5 digital LCD 1.5、Batch range: 1-999 张 1.6、Counting speed: 800、1200、1600、1900 pcs/min 1.7、Counting Size: Length 90-190mm Width 50-100mm Thickness 0.075-0.15mm 1.8、Hopper Capacity: 300pcs(MAX) 1.9、Stacker capacity: 200pcs(MAX)...
  • Page 3: 3:Explosive View And Spare Parts Introduction

    ST-800/900 Maintenance manual 3、Explosive view and Spare Parts introduction ST-900 Explosive view NAME Name NAME NAME Stacker board Encoder Display assy Handle assy assembly feeding board Back cover Belt wheel for Stacker assy Assembly assembly small motor Counting guide Propeller wheel...
  • Page 4: Operating Principle

    ST-800/900 Maintenance manual 4、Operating Principle When the bills block feeding sensor, the receiving tube will come into pulse level signal and feed into CPU, the CPU send out signal to motor, to control circuit, make the motor running, through the belt and driving wheel...
  • Page 5: Main Board Introduce

    ST-800/900 Maintenance manual Chain note 6、Main Board introduction NAME NAME NAME count receiving reset tube interface power interface interface UV light interface long MG head interface feeding sensor interface dial sensor interface small motor interface outer display interface count send interface...
  • Page 6: Testing Method

    ST-800/900 Maintenance manual Regain factory setting: long press C button for 3 second, after hear “di” warning sound, means regain factory setting 8、Testing method. 8.1、Tools and material: Multimeter、Small Flathead screwdriver、80g common print paper120*150mm. 8.2、Count voltage adjustment: under BATCH mode, input “1; 2; 3; 4” and press “RESET” button, display show “U00 A00 ”, put 2pcs paper to block counting tube, adjust W3, W4 in the main board, to make the voltage of T1,...
  • Page 7: Counting Failure And Solution

    ST-800/900 Maintenance manual showing EA3 3. dial sensor plug wire poor Repair dial sensor plug wire contact 4. Dial sensor operating circuit Check and repair dial sensor operating circuit or replace faulty main board (see diagram 6) 1. to much dust in the feeding...
  • Page 8 ST-800/900 Maintenance manual Judge the emitting tube is good or not without power on The positive direction of the emitting tube is 1.0-1.1KΩ; the negtive direction is infinite Positive direction Both of the negative Parameter resistance value<1.0KΩ and positive directions...
  • Page 9 ST-800/900 Maintenance manual 11.2、Chart 2: The maintenance of the power supply 11.2.1 、The maintenance of 5V power supply of CPU The maintenance of 5V power supply of CPU Do not pull out J4, then measure the voltage of pin of J6 or the voltage of 36 pin of U6, and the voltage is around 4.8V.
  • Page 10 ST-800/900 Maintenance manual 11.3、Chart 3: The maintenance of the counting tube operating circuit 11.3.1、Emitting tube The maintenance of the emitting tube operating circuit In the batching mode, input “1.2.3.4” then press “RESET”; when the display show “ U00 A00”, measure the voltage between the 1...
  • Page 11 ST-800/900 Maintenance manual In the batching mode, input “1.2.3.4” then press “RESET”; when the display show “ U00 A00”: 1. measure the voltage of the T1 and T2 by digital multimeter, and the voltage is around 4.75V; measure the voltage of the 1 and the 2 pin of U3, and the voltage is around 4.85V.
  • Page 12 ST-800/900 Maintenance manual In the batching mode, input “1.2.3.4” then press “RESET”; when the display show “ U00 A00”, cover the receiving sensor with hand, then measure the voltage of the T6 by digital multimeter, you will find that the voltage changes from 4.86V to 0V.
  • Page 13 ST-800/900 Maintenance manual In the batching mode, input “1.2.3.4” then press “RESET”; when the display show “ U00 A00”, rotate the feeding roller by hand slowly, measure the voltage of 3 pin of J17 by digital multimeter, and observe the voltage can change between 0.15V to 4.3V.
  • Page 14 ST-800/900 Maintenance manual The maintenance of the main motor control circuit Keep pressing “SPEED” for 3 seconds to turn on the machine; when the display show “turn”, Replace the main motor then to measure the voltage of 3 pin of J2 by digital multimeter, and the voltage is 10V-20V.
  • Page 15 ST-800/900 Maintenance manual...

This manual is also suitable for:

St-900

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