December 12, 2025 – A recent consumer incident report has highlighted severe safety concerns with the Deerrun Z10 Pro treadmill, citing multiple manufacturing defects that pose significant risks of electrocution and falls. The treadmill, manufactured by HANGZHOU CHENFENG TECHNOLOGY CO., LTD, has reportedly exhibited exposed electrical wiring, unstable arm attachments, and an unlevel frame causing belt misalignment, leading to potential serious injuries.
Product Details
Incident Overview
A consumer who purchased a Deerrun Z10 Pro treadmill with auto incline reported discovering significant manufacturing defects immediately upon unboxing the unit. The primary concern involved exposed electrical wires located at the bottom of the treadmill arms. Due to their placement, these wires are forced into a sharp 90-degree angle from their attachment point, causing the plastic tubing around them to crack and exposing the wire ends near the terminals. These exposed wires reportedly rest directly on the floor.
In addition to the electrical hazard, the consumer noted that the treadmill’s arm attachment points were inherently unstable. Despite proper tightening according to the manual, the arms would loosen after only a few seconds of use, leading to an unstable user experience. The consumer reported stumbling and falling due to this instability, fortunately without serious injury.
Further inspection revealed another manufacturing defect: the treadmill unit itself was not level. The front left corner of the unit sat slightly lower than the right, causing the treadmill belt to consistently slide to the left side after only a few uses, even with proper tightening. This misalignment creates an additional significant hazard for users.
The consumer described experiencing minor electric shocks, initially attributed to static electricity, which occurred when tightening the handrails. They later realized the proximity of the exposed wires to the handrail tightening knob presented a direct electrocution risk. The sheer number and severity of these defects led the consumer to call for an immediate recall of the product due to the terrifying electrocution risk alone, which also poses a major threat to children and pets who are closer to the ground.
Safety Concerns
The reported defects in the Deerrun Z10 Pro treadmill present a multitude of serious safety concerns:
- Immediate Electrocution Risk: Exposed electrical wires resting on the floor, particularly near terminals and the handrail tightening knob, pose an immediate and severe electrocution hazard. Users, children, and pets are at high risk of coming into contact with live wires, potentially leading to electric shock, burns, or even fatal electrocution. The reported minor electric shocks experienced by the user underscore this danger.
- Severe Fall Hazard (Unstable Arms): The instability of the treadmill’s arms, even after proper tightening, creates a significant fall risk for users. Loosening arms can cause loss of balance, leading to stumbles, falls, and potential injuries such as sprains, fractures, concussions, or other trauma, especially given the moving belt.
- Severe Fall Hazard (Belt Misalignment): The unlevel frame causing the treadmill belt to consistently slide to one side creates a critical hazard. Users could lose their footing, stumble, or be thrown off the machine, resulting in serious falls and injuries. This defect compromises the fundamental safe operation of a treadmill.
- Long-term Risks: Beyond immediate incidents, prolonged exposure to these defects could lead to cumulative stress on the user’s body from an unstable workout, potential electrical shorts leading to fire hazards, or continued risk of severe injury from falls and electrocution.
- Vulnerable Populations: Children and pets are particularly vulnerable to the electrocution risk due to their lower height and inquisitive nature, making them more likely to come into contact with the exposed wires on the floor.
- Property Damage Potential: Electrical faults due to exposed wiring could potentially lead to arcing, short circuits, or electrical fires, resulting in damage to the product itself and surrounding property.
What Consumers Should Do
If you own a Deerrun Z10 Pro treadmill, your immediate safety is paramount. We advise the following steps:
- Stop Use Immediately: Do not use the Deerrun Z10 Pro treadmill. Unplug the unit from the power outlet to mitigate the electrocution risk.
- Inspect Your Unit: Carefully inspect your treadmill for any signs of exposed or damaged electrical wires, particularly at the base of the arms where they meet the floor. Check for cracking plastic tubing and visible wire ends. Also, examine the stability of the arm attachments and observe if the belt tracks centrally or drifts to one side.
- Do Not Attempt Repairs: Do not attempt to repair any defects yourself. Tampering with electrical components can be extremely dangerous.
- Contact the Manufacturer/Retailer: Reach out to HANGZHOU CHENFENG TECHNOLOGY CO., LTD or Deerruntreadmill.com to report the defects and inquire about a resolution, return, or refund.
- Report to Safety Authorities: File a detailed incident report with the U.S. Consumer Product Safety Commission (CPSC) at www.cpsc.gov. This helps safety experts track incidents and potentially initiate recalls.
- Document Everything: Take clear photos and videos of all observed defects, including exposed wires, unstable arm connections, and belt misalignment. Keep records of all communications with the manufacturer and retailer.
Manufacturer’s Response
HANGZHOU CHENFENG TECHNOLOGY CO., LTD has indicated a response to this incident report. Specific details of their proposed actions or investigation are not yet publicly available.
Legal Help Available
If you or a loved one has been injured by a defective product or suffered property damage due to a product malfunction, you may be entitled to compensation. The experienced product liability attorneys at Farzan Law understand the complexities of defective product cases and can help you navigate the legal process.
Contact us today for a free consultation: 424-325-3112
Our legal team has successfully represented clients in product liability cases involving defective appliances, automotive defects, medical devices, and consumer products. We work on a contingency fee basis, which means you don’t pay unless we win your case.
Note: This information is based on incident reports provided by the U.S. Consumer Product Safety Commission. If you find information that is incorrect, please contact us immediately so we can correct the post to reflect accurate information.
Disclaimer: The information provided in this post is not intended to be legal or medical advice. This article is based on publicly available incident reports. The incidents mentioned have not necessarily been independently verified or adjudicated.