Digital DT680 - Treadmills Horizon Fitness - Free user manual and instructions
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| Product Type | Treadmill |
| Brand | Horizon Fitness |
| Model | Digital DT680 |
| Display | Digital LCD screen |
| Motor Power | 2.5 CHP continuous duty |
| Speed Range | 0.5 – 10 mph (0.8 – 16 km/h) |
| Incline Range | 0 – 10% (manual adjustment) |
| Running Surface | 20" x 55" (51 x 140 cm) |
| Max User Weight | 300 lbs (136 kg) |
| Product Dimensions (L x W x H) | 70" x 34" x 55" (178 x 86 x 140 cm) |
| Product Weight | 195 lbs (88 kg) |
| Power Requirements | 120 V / 60 Hz / 15 A |
| Folding Design | Yes, with hydraulic soft-drop system |
| Heart Rate Monitoring | Hand grip pulse sensors |
| Preset Workout Programs | 10 programs (including manual, interval, weight loss) |
| Safety Features | Safety key lanyard, emergency stop |
| Warranty | Lifetime frame, 2 years motor, 1 year parts and labor |
| Maintenance | Lubricate belt every 3 months, clean deck and electronics |
| Spare Parts Availability | Replacement belts, motors, controllers available through Horizon |
| Certifications | FCC, CSA, ETL listed |
Frequently Asked Questions - Digital DT680 Horizon Fitness
How do I fold the treadmill for storage?
lift the deck until it locks into the upright position. Ensure the safety key is removed and the treadmill is turned off. The hydraulic system helps lower it gently.
How often should I lubricate the belt?
Every 3 months or after 150 hours of use, apply silicone lubricant under the belt. Refer to maintenance section for specific instructions.
Why does the treadmill stop suddenly during use?
Check the safety key is properly inserted. The treadmill may also shut off if the motor overheats. Allow 30 minutes cooling before restarting.
How do I calibrate the incline?
Press and hold the incline up and down buttons simultaneously for 5 seconds. The display will flash, then it will auto-calibrate.
What should I do if the belt slips?
Tighten the belt by turning the rear roller bolts clockwise ¼ turn each side. Do not overtighten; the belt should have about 2-3 inches of lift.
Can I use an extension cord?
No. Plug directly into a grounded outlet. Extension cords can cause voltage drop and motor damage.
How to clean the treadmill?
Wipe the console and frame with a damp cloth. Do not use abrasive cleaners. Vacuum under the belt monthly to remove debris.
What does error code E1 mean?
E1 indicates a motor control fault. Unplug for 5 minutes, then reconnect. If persists, contact Horizon support for replacement parts.
Is the treadmill suitable for running?
Yes, with a 2.5 CHP motor and 20x55 inch running surface, it supports walking and running up to 10 mph.
How to replace the safety key?
Contact Horizon Fitness customer service or order a replacement key online. Keep the key away from children when not in use.
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USER MANUAL Digital DT680 Horizon Fitness
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Product information
Brand : Horizon Fitness
Model : Digital DT680
Category : Treadmills