When the electric retractable canopy gets stuck, targeted measures should be taken according to the specific reasons to avoid equipment damage or safety hazards caused by forced operation. The following are detailed processing steps and prevention suggestions:
1、 Common causes and solutions for jamming
1. Blockage of foreign objects in the track
Phenomenon: Abnormal noise, jamming, or complete inability to move during the stretching process.
Processing steps:
Power off operation: Immediately press the "stop" button on the remote control or cut off the power supply to prevent the motor from continuing to run and worsening the jamming.
Check the track: Use a soft bristled brush or vacuum cleaner to clean the dust, leaves, small stones, and other debris inside the track.
Lubricate the track: Apply a small amount of silicone grease inside the track (avoid using grease based lubricants, which can easily adsorb dust), and manually gently push the curved arm to test for smoothness.
Check the derailment prevention device: Confirm whether the stoppers at both ends of the track are loose or deformed, causing the curved arm to deviate from the track.
2. Wrapping or wrinkling of tarpaulin
Phenomenon: During expansion and contraction, the tarpaulin may bulge or twist locally, or the motor may make a "buzzing" sound but no action is taken.
Processing steps:
Manual assistance: In the power-off state, gently pull the folds of the tarpaulin to flatten it out.
Adjust tension: Check whether the springs or tension ropes at both ends of the tarpaulin are loose, and adjust the tension again if necessary (professional tools are required).
Check the fixing points of the tarpaulin: Confirm whether the connection buckle between the tarpaulin and the curved arm or main beam has fallen off or shifted.
3. Motor stalling or overload
Phenomenon: The motor runs but the arm does not move, or the remote control displays an "overload" alarm.
Processing steps:
Waiting for cooling: When the motor is blocked and heats up, it needs to wait for 10-15 minutes for it to automatically cool down (some models have built-in overheat protection, which will reset automatically after cooling).
Check the load: Confirm if there are heavy objects (such as snow or debris) stacked on the tarpaulin, and clean them up immediately.
Manual reset: If the motor enters protection mode due to stalling, you can try pressing the "reset" button on the remote control (if available), or manually retract the canopy through the clutch device (see "emergency operation" below).
4. Limit switch malfunction
Phenomenon: The canopy suddenly stops before reaching the limit position, or does not stop even after exceeding the limit position.
Processing steps:
Check the limit switch: Confirm whether the mechanical limit blocks at both ends of the stroke are loose or displaced, causing premature/late triggering.
Adjust electronic limit: recalibrate the electronic limit parameters through the control box or mobile app (if available) (refer to the instruction manual).
Replace sensor: If the limit switch is damaged, contact the manufacturer for replacement (do not disassemble it yourself).
5. Damage to gears or transmission components
Phenomenon: Severe vibrations, metal friction sounds, or tilting of the curved arm occur during expansion and contraction.
Processing steps:
Stop using: Immediately power off and stop operation to prevent further damage.
Check the gearbox: Observe whether the gearbox leaks oil, whether the gears are worn or broken (requires professional disassembly).
Contact after-sales service: It is recommended that core components such as gearboxes be repaired by the manufacturer to avoid compatibility issues caused by self replacement.
2、 Emergency operation: manual retraction in case of power failure or malfunction
If the canopy is stuck and cannot be solved by the above methods, or needs to be quickly closed before the rainstorm, the following steps can be followed for manual operation:
Find the clutch device: usually located at the end of the motor or at the connection between the arm and the motor, labeled as the "manual/automatic" switch.
Switch to manual mode: Use a special tool (such as an Allen wrench) to loosen the clutch screw and turn the switch to the "manual" position.
Manual rotation handle: Insert the matching handle and rotate clockwise or counterclockwise (direction varies depending on the model) to slowly retract the canopy.
Reset clutch: After retracting, switch the clutch device back to "automatic" mode and tighten the screws.
3、 Daily maintenance suggestions for preventing jamming
Regular cleaning: wipe the track with a soft cloth every month, and clean the internal dust with a vacuum cleaner every quarter.
Lubrication and maintenance: Apply specialized lubricant (such as WD-40) to the track, gearbox, and other parts every six months.
Check the tarpaulin: After each use, check whether the tarpaulin is flat and smooth out wrinkles in a timely manner.
Testing safety functions: Quarterly testing of infrared sensors, limit switches, and other safety devices to ensure they are functioning properly.
Avoid overloading: Do not stack heavy objects on tarpaulins, and clean up the snow in a timely manner on snowy days (or choose models designed with snow loads).