**Quick Fix:** Ensure the electrode gel pads are fresh, firmly pressed against clean, oil-free skin, and that the lead cable is pushed entirely into the device’s output port.
If your home neuromodulation device turns on but is failing to deliver stimulation pulses, it is likely due to one of the following issues:
### 1. High-Impedance Safety Cut-Off (Poor Skin Contact)
Most home neuromodulation devices feature an automatic safety shut-off that stops pulses if it detects poor electrical conductivity.
* **Dry or Worn Gel Pads:** Dehydrated or dirty electrodes cannot conduct pulses. Replace your gel pads, or rehydrate them by rubbing a single drop of water over the adhesive surface.
* **Oily or Dirty Skin:** Body oils, lotions, or sweat block the electrical current. Wash the target skin area with mild soap and water, dry it completely, and reapply the electrodes.
* **Hair Interference:** Thick body hair prevents the electrodes from making flush contact with the skin. Trim or shave the application site to ensure a solid connection.
### 2. Cable and Connection Failures
The physical pathway for the electrical pulse may be interrupted.
* **Loose Lead Pins:** The pins connecting the cable to the electrode pads can easily slip out. Ensure they are pushed tightly into the pad receptacles.
* **Internal Wire Micro-Fractures:** Internal copper wires can break from frequent bending, even if the outer plastic casing looks perfect. Gently wiggle the cable while the device is on; if the pulse cuts in and out, the lead cable must be replaced.
### 3. Insufficient Battery Voltage
* **Low Battery Lockout:** A low battery may have enough power to light up the LCD screen or LED indicators, but not enough voltage to initiate the actual stimulation pulses. Plug the device in and allow it to reach a 100% charge before trying again.
### 4. Device Firmware Glitch
* **System Freeze:** The device’s internal microprocessor may have frozen during a power surge or sudden disconnect. Perform a hard reset by holding the power button down for 10–15 seconds, or use a paperclip to press the pinhole reset button on the back of the casing.
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