1. Product Overview
The YingLucky 616 Multi Coin Acceptor is an advanced electronic coin selector designed for automatic selling systems, arcade games, and other electronic equipment requiring coin-operated functionality. It features intelligent CPU software control for high accuracy and is capable of accepting various worldwide coins and tokens. This device can differentiate between multiple coin types simultaneously and offers customizable pulse output settings.
Key features include:
- Capable of accepting up to five different kinds of coins (e.g., 1PESO/5PESO/10PESO) or tokens.
- Intelligent CPU software control for high accuracy and reliability.
- Accepts different kinds of coins at the same time.
- Free to set up pulse output.
- Designed to prevent electric shock.
- Features automatic fault diagnosis.
- Supports coins with only one signal output.



2. Installation and Setup
Before installation, ensure all power is disconnected from the host machine. The coin acceptor should be securely mounted in a suitable location within your vending or arcade machine, allowing for easy access to the coin slot and return path.




2.1 Wiring Connections
The coin acceptor uses a 4-pin socket for power and signal output. Refer to the table below for pin assignments:
| Pin | Function | Description |
|---|---|---|
| DC12V | Power Input | 12V DC power supply. |
| COIN | Coin Signal Output | Outputs a pulse signal when a valid coin is detected. NO (normally open) or NC (normally closed) selectable. |
| GND | Ground | Common ground for power and signal. |
| COUNTER | Counter Output | Outputs a signal for external counting devices. |
Ensure all connections are secure and correctly polarized to prevent damage to the unit or host machine.
2.2 Setting Coin Samples (Calibration)
The coin acceptor needs to be calibrated with sample coins for each currency type it will accept. The device can be set up for up to five different coin types.
- Accessing Settings: Press the ADD key (10) and MINUS key (11) on the display panel simultaneously for approximately 2 seconds. The letter 'E' will appear on the display, indicating you are in the currency system selection mode.
- Choosing Currency Value (E): Use the ADD/MINUS keys to select the desired currency value (1-6). This corresponds to the number of different coin types you wish to program.
- Setting Sampling Quantity (H): After selecting 'E', press the setting key (8). The letter 'H' will appear. Use ADD/MINUS to set the quantity of sample coins (1-20 pieces) for the current coin type. A value of 20 is recommended for optimal accuracy.
- Setting Signal Output Value (F): After setting 'H', press the setting key (8) again. The letter 'F' will appear. Use ADD/MINUS to set the numerical value for the signal output (1-50). This determines the number of pulses generated per coin.
- Setting Precision (P): After setting 'F', press the setting key (8) again. The letter 'P' will appear. Use ADD/MINUS to set the precision (1-20). A smaller number indicates higher accuracy. The suggested number is 8.
- Confirming Settings: After setting 'P', press the setting key (8) to confirm. The display will return to 'E'. Repeat steps 2-5 for each coin type you wish to program.
- Sampling Coins:
- First Coin Type: Press the setting key (8). The letter 'A' will appear. Press the setting key (8) again, and 'A1' will be displayed with the LED light on. Insert 20 sample coins of the first type at a constant velocity. The device will register these as H1=20.
- Second Coin Type: After the first type is sampled, the LED lights will flicker, and 'A2' will appear with the first two LED lights on. Insert 20 sample coins of the second type at a constant velocity. The device will register these as H2=20.
- Third Coin Type: Similarly, 'A3' will appear with the first three LED lights on. Insert 20 sample coins of the third type at a constant velocity. The device will register these as H3=20.
- Completion: After all desired coin types have been sampled, the LED lights will flicker several times, indicating that the setup is complete and the unit is ready for normal operation.
2.3 Signal Width Adjustment
The 2-section switch allows adjustment of the coin signal pulse width:
- 20ms (fast): For quick coin acceptance.
- 50ms (medium): Standard setting.
- 70ms (slow): For systems requiring a longer pulse.
2.4 Forbidden Energy Inputting
The 3-section switch controls the signal of forbidden energy inputting:
- UP PIN: Signal inputting is enabled (voltage > 4V is OK).
- 0V: Signal inputting is forbidden.
- Down PIN: Ground wire.
3. Operating Instructions
Once the coin acceptor is installed and calibrated, it is ready for operation. Simply insert the programmed coins into the coin slot. The device will automatically detect and validate the coins, sending the appropriate signal to the host machine.
- Ensure coins are inserted smoothly and at a constant velocity for optimal recognition.
- If a coin is rejected, it will be returned through the coin return mouth.
- The display will show the status or numerical value during operation and setup.
4. Maintenance
Regular maintenance ensures the longevity and reliable operation of your coin acceptor.
- Cleaning: Periodically clean the coin slot and internal pathways to prevent coin jams and ensure accurate detection. Use a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Inspection: Check all wiring connections regularly to ensure they are secure and free from damage.
- Dust Removal: Keep the internal components free from dust and debris, especially around sensors and moving parts.
5. Troubleshooting
If you encounter issues with your coin acceptor, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Coins not accepted | Incorrect calibration, foreign objects in coin path, power issue. | Recalibrate coin samples (Section 2.2). Check for obstructions and clean the coin path. Verify power supply. |
| False coins accepted | Low precision setting, worn coin path. | Increase precision setting (P value) during calibration. Inspect coin path for wear. The electromagnetism gate helps eliminate false coins. |
| No signal output | Wiring issue, incorrect signal width setting. | Check wiring connections (Section 2.1). Adjust signal width using the 2-section switch (Section 2.3). |
| Coin jams | Dirty coin path, bent coins, incorrect coin diameter/thickness. | Clean the coin path. Use only undamaged coins. Ensure coins meet specified diameter and thickness (see Specifications). |
| Display error | Internal fault. | The unit has automatic fault diagnosis. If an error persists, contact support. |
The
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