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Last revision: April 2012

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Do you have a question about the The Vending Tester PRO CT3 and is the answer not in the manual?

Questions and answers

Kenneth Dunn
February 21, 2025

My tester will power up for MDB but will not let me test my equipment. Is there a fuse that i can check for?

1 comments:
Mr. Anderson
May 14, 2025

The provided context does not mention a fuse or checking a fuse in the SEM Vending Tester PRO CT3. Therefore, there is no information confirming the presence or checking of a fuse in this scenario.

This answer is automatically generated

Summary of Contents for SEM The Vending Tester PRO CT3

  • Page 1 Last revision: April 2012...
  • Page 3: Table Of Contents

    Content Introduction ..................4 The “Cannot Test” list ................. 4 What the CT3 does ................5 On power up..................5 Important Safety Instructions ............5 Identification of the control panel the CT3 ........6 Before you start testing your equipment ........... 8 Testing a Single-Price 117V coin changer ...........
  • Page 4: Introduction

    Introduction Thank you for purchasing The Vending Tester Pro CT3. This tester will enable you to test and repair many types of coin changers and bill ac- ceptors, and even some cashless devices. It can test the following:  120-volt single price coin mechanism ...
  • Page 5: What The Ct3 Does

    What the CT3 does Although there is a simulator function, The Vending Tester CT3 will not simply act like a vending machine in normal operation; it goes much deeper. It enables you to check all the functions of your devices. To do so, it will not perform a simple sale.
  • Page 6: Identification Of The Control Panel The Ct3

    Identification of the control panel on the CT3...
  • Page 7 Identification of the control panel on the CT3 Logic (MicroMech) 24 –117 volts, 12-15 pins Single Price 120 volts Socket 1$ pulse for single price External Bill Validator Module connector MDB port for coin changer, bill acceptor, and cashless Power cord entrance Main fuse MDL ½...
  • Page 8: Before You Start Testing Your Equipment

    Before you start testing your equipment… The CT3 Vending Tester PRO is a highly sophisticated piece of equip- ment. Before applying power to a unit for testing, check the following point: Test with an ohmmeter for potential short circuit. Even though the CT3 has a built-in protection, repeated hook-up of short changers may result in damages to the CT3.
  • Page 9: Testing A Single-Price 117V Coin Changer

    Testing a Single Price 117-volt coin changer Testing a 117-volt Single Price coin changer is quite simple. Connect the changer in the proper socket, press on START followed by the 117- Volt red button for at least 2 seconds. Many years ago, there used to be some Single Price 24-volt changers.
  • Page 10 Once thoroughly tested, press on STOP before unplugging the coin changer. If you are to put this changer on a shelf for future use, place it in a plastic bag with a note that it has passed the testing adequately. You will remember it tomorrow, but certainly not in three months from now.
  • Page 11: Testing Logic / Micromech / Dumb Mech Changers

    Testing Logic / MicroMech / Dumb Mech coin changers 12 or 15 pins; 24 or 117 VDC There are two ways to go through the testing of a Logic / MicroMech / Dumb Mech coin changer. If you are a vending operator without deep technical background, you may choose the AUTO-TEST function as it will take you into a step-by-step testing procedure.
  • Page 12 Logic Changer Logic Changer 117V Ready to test Ready to test A 24-volt changer is now A 117-volt changer is now ready for test ready for test No matter the voltage of the coin changer, the messages sent to the CT3 will be the same.
  • Page 13 Test your coin changer with many different coins, at least to cover the low sensors. Ideally, you should insert enough coins into the changer to fill the tubes to the top and then see if the extra coins go to the cashbox.
  • Page 14: Testing An Mdb Coin Changer

    Testing an MDB coin changer, up to seven tubes of change. Testing an MDB coin changer is basically the same as testing a Logic/ MicroMech coin changer, with the exception that the unit under test can send much more information to the CT3. The MDB port is located on the right side of the tester.
  • Page 15 Defective The tester judges that the unit can’t be tested be- changer cause of a general failure inside the coin changer. Send the unit to a service center. Defective sen- A high level sensor is activated while the low is not. sors Either a defective top sensor or a foreign object stuck at the top of the tube.
  • Page 16: Device Reset Button

    Test your changer with many different coins at least to cover the low sensors. Ideally, you should insert enough coins into the changer to fill the tubes to the top and then see if extra coins go to the cashbox. One test you MUST also perform is to disable the ACCEPT LINE on the CT3 and insert big and small coins.
  • Page 17: Auto-Test Function

    Auto-Test Function The CT3 Vending Tester PRO is equipped with the Auto-Test function. Small vending operators who do not have a strong technical back- ground usually use this function. This function will take you into a step -by-step sequence enabling you to test all the basic features of the coin changer.
  • Page 18 If your coin changer is an MDB, it tells the CT3, upon power-up, the coins it can accept. Therefore, the CT3 knows about it and can then prompt you to insert twelve of those coins. (in USA 1$; in Canada 1$ and 2$;...
  • Page 19: Printed Report In Auto-Test

    Serial number: 00 36001206 Model #/tuning revision: CAQ701R01AE1 Software version: 0,08 Optional features supported: -Alternative payout method -Extended diagnostic command * Redactor’s note: SEM does Optional features not supported: not endorse, nor support any -Controlled manual fill/payout commands specific brand...
  • Page 20: Tuning Mode And Download Program Mode

    Tuning mode and program download function. Tuning mode Some older changers offer you the possibility to tune them in order to improve their acceptance rate. The CT3 Vending Tester PRO offers you the possibility to do that. To activate the tuning mode, press on TUNING MODE black button BEFORE pressing on start.
  • Page 21: Mdb Status

    000 coin(s) in tube 0005¢ acceptor. 000 coin(s) in tube 0010¢ 000 coin(s) in tube 0025¢ 000 coin(s) in tube 0100¢ 000 coin(s) in tube 0200¢ * Redactor’s note: SEM Optional features supported: does not endorse, nor Alternative payout method support specific...
  • Page 22: Simulator Mode, Mdb Level, Scaling Factor & Decimal Point

    Simulator mode, MDB level, Scaling Factor & Decimal point Simulator mode The CT3 comes with a vend simulator. This is useful if you want to test more than one device at a time such as a coin changer and a bill accep- tor and even a cashless system.
  • Page 23 MDB level The simulator mode offers you two possibilities to operate a level 3 coin changer. You can test either in level 2 or level 3. The difference between level 2 and level 3 is the way the coin changer will manage the change remittance.
  • Page 24: Testing An Mdb Bill Validator

    Testing an MDB bill acceptor Testing an MDB bill acceptor is pretty much the same as testing a coin changer. The MDB port is located on the right side of the tester. It is the same port for the changer, a bill acceptor and even a cashless de- vice.
  • Page 25 Bill rejected Bill validator rejected that bill. Bill removed Bill was removed manually while being accepted by the bill validator. Bill returned The bill has been returned because you pressed on the reject button. Cash Bill box is not in place. moved Defective motor The motor pulling the bill is defective.
  • Page 26: Testing A Bill Validator Older Style (Pulse)

    Testing a pulse-type bill validator To test a pulse-type bill validator, you absolutely need the External Bill Validator Module (EBVM). The EBVM is an option. You cannot test any pulse-type acceptor without it. The EBVM is good in either 24 volts or 120 volts.
  • Page 27: Ebvm Pin-Out Specification

    EBVM Pin-out specifications...
  • Page 28 Once everything plugged in, press on button #1 on the CT3. This but- ton activates the external module. This button has no effect without the EBVM. Once button #1 is pushed, the display will prompt you to press START to begin the sequence. After that, the CT3 will ask you what is the voltage required to power-up your bill validator.
  • Page 29: Notes

    SEM. This concludes the instruction manual. If you have any comments you wish to add to make this manual better, please feel free to drop us a line at info@sem.ca. All comments are welcome. Notes: _________________________________________________________ _________________________________________________________...
  • Page 30: Warranty

    S.E.M. INC. – WARRANTY AND LIABILITY CONTRACT By purchasing a product from S.E.M. Inc., clients are ac- cepting the terms of this Warranty and Liability Contract. S.E.M. Inc. warrants all parts of new equipment for one (1) year, from date of invoice against DEFECTIVE MATERIAL OR WORKMANSHIP, but not against damage caused by vandalism, accident or improper opera- tion and installation.
  • Page 31: Other Fine Products From Sem

    Other fine products from SEM MDB Converters for Single-Price, Four- Price, Ten-Price, and Logic Machines Smart card readers for vending and photocopi- Controller for self-serve water filling stations Coin-op devices for copiers and Converter Standard printers Change-Makers change machines...
  • Page 32 Made in Canada by: S.E.M. Inc. 3610 Valiquette St. Montreal, QC, H4S 1X8 Tel.: (514) 334-7569 Toll free 1-888-334-7569 Fax: (514) 334-5922 Email: info@sem.ca Web: www.sem.ca Part #: I00720 CT3_Instruction_manual_english.pub...

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