Why Is My Arcade Game Not Accepting Coins? Fixes
By M&P Amusement | Published: 2026-10-19
Category: Product Reviews
If your arcade game won't take coins, the problem is usually a jam, a dirty coin mech, or a wiring issue. Learn how to diagnose and fix it step by step.
Quick Answer
If your arcade game won't accept coins, start by clearing any jam, cleaning the coin mech, and checking the coin slot's wiring. Most issues are simple to fix at home, but if the problem persists after these steps, you may need to replace the coin mechanism.
Why Coin Mechanisms Fail
Coin mechanisms are mechanical and electrical parts that can fail for a few common reasons. Dirt and debris build up over time, causing the coin to stick or not register. Worn springs or solenoids can also prevent the coin from being accepted. Understanding the likely cause helps you target the fix quickly.
For games that see heavy use, like a coin pusher in a busy arcade, the coin mech gets more wear. Even home machines can develop issues if they sit unused for a while, as dust and corrosion can affect the contacts.
When to Call a Professional
If you've cleared jams, cleaned the mech, and checked the wiring, but the game still won't accept coins, the problem may be a faulty coin comparator or a broken control board. These parts require specialized tools and knowledge to replace safely.
At that point, it's often more cost-effective to replace the entire coin mechanism rather than repair the internal electronics. A new mech can restore reliable operation and is a straightforward swap for most arcade cabinets.
Diagnosis Steps
- Symptom: Coin drops through but game doesn't register: Check the coin switch and wiring. Remove the coin mech and inspect the microswitch for damage or misalignment. Use a multimeter to test continuity when the switch is pressed. If the switch is faulty, replace it before considering a full mech replacement.
- Symptom: Coin jams or gets stuck: Open the coin slot and remove any debris or foreign objects. Clean the coin path with a soft cloth and compressed air. Check for bent or worn parts that can catch coins. A clean, unobstructed path prevents most jams. If jams persist, the mech may need internal adjustment.
- Symptom: Coin is rejected or returns: Clean the coin comparator and the coin itself. Some mechs are sensitive to coin size or weight. Calibrate the comparator according to the manufacturer's settings. If calibration doesn't help, the comparator may be worn and need replacement.
Related Product
- Angry Birds Coin Crash Arcade Coin Pusher: The Angry Birds Coin Crash Arcade Coin Pusher is built for mass appeal and creates excitement that keeps players glued to the game. High-traffic games like this are more prone to coin mech issues, so knowing how to troubleshoot keeps the action going and maximizes revenue.
Angry Birds Coin Crash Arcade Coin Pusher
