A detailed ElevatorWEEKLY preventive maintenance checklist

Safety Checks

  • Test each safety device individually.
  • Check for any error indicators or warning lights.
  • Document the functionality of each device.
  • Report any malfunctioning devices for immediate repair.
  • Press the emergency stop button to ensure it stops the elevator.
  • Check for any physical damage to the button.
  • Ensure the button returns to its original position after pressing.
  • Document findings and repair if necessary.
  • Activate the alarm system to test sound levels.
  • Ensure the alarm can be heard in all elevator areas.
  • Inspect wiring for any visible damage.
  • Document sound levels and report issues.
  • Inspect all access panels for tightness.
  • Ensure no panels are missing or damaged.
  • Check for proper seals to prevent dust ingress.
  • Document any discrepancies for repair.
  • Check drainage systems for blockages.
  • Remove any debris or foreign objects.
  • Inspect for signs of water accumulation.
  • Document the condition of the pit.
  • Make a test call to ensure the system works.
  • Check for clear audio on both ends.
  • Inspect all connections for damage.
  • Document any faults for repair.
  • Test door operation to confirm interlock functionality.
  • Inspect interlock mechanisms for wear or damage.
  • Ensure that doors cannot open when the elevator is in motion.
  • Document any issues found.
  • Test emergency lights in a power-off scenario.
  • Check battery condition and replacement date.
  • Verify that lighting illuminates all critical areas.
  • Document any failures or required replacements.
  • Check the hoistway for debris or foreign objects.
  • Inspect for signs of wear or damage to walls.
  • Ensure proper clearance for elevator movement.
  • Document any hazards for immediate action.
  • Inspect all signs for wear or fading.
  • Ensure that safety instructions are clear and visible.
  • Replace any missing or illegible signs.
  • Document findings for compliance.
  • Simulate a stop to test brake engagement.
  • Check for unusual sounds during operation.
  • Inspect brake pads for wear.
  • Document test results and any issues.
  • Test the fire service activation system.
  • Check for proper response to emergency signals.
  • Inspect wiring and connections for integrity.
  • Document any malfunctions for repair.
  • Test the overspeed governor for proper activation.
  • Inspect reset mechanisms for functionality.
  • Check for signs of wear or damage.
  • Document operational status for review.
  • Check the fire extinguisher for proper placement.
  • Ensure it is fully charged and not expired.
  • Inspect the extinguisher for physical damage.
  • Document the condition and service date.
  • Review the log for completeness.
  • Verify entries for accuracy and detail.
  • Update the log with recent findings.
  • Report any discrepancies for correction.
  • Run the elevator to listen for unusual sounds.
  • Check for vibrations during operation.
  • Inspect components for loose parts.
  • Document any anomalies for further investigation.

Mechanical Inspection

  • Inspect for visible frays or broken strands.
  • Check for any signs of corrosion or unusual wear.
  • Ensure proper tension is maintained.
  • Document any findings for further evaluation.
  • Look for grooves or flattening on the surfaces.
  • Check for proper alignment and secure mounting.
  • Listen for unusual noises during operation.
  • Lubricate if necessary and replace damaged components.
  • Test the leveling mechanism at various floors.
  • Ensure the car stops level with the landing.
  • Adjust settings if discrepancies are noted.
  • Inspect for any obstructions or mechanical issues.
  • Check for smooth open/close motion without hesitation.
  • Look for any unusual noises during operation.
  • Ensure safety features are functional.
  • Lubricate moving parts if necessary.
  • Check for straightness and secure mounting.
  • Look for signs of wear or corrosion.
  • Ensure proper lubrication is applied.
  • Document any misalignment or damage.
  • Inspect all welds and joints for integrity.
  • Look for rust, cracks, or other damage.
  • Ensure all components are securely attached.
  • Document any issues for repair planning.
  • Check that the counterweight is securely fastened.
  • Inspect for wear or damage on the weight itself.
  • Ensure alignment with the hoisting cables.
  • Test for smooth movement during operation.
  • Test the brakes for effective stopping power.
  • Check for wear on brake pads and components.
  • Ensure all connections are secure and functional.
  • Document any necessary adjustments or repairs.
  • Inspect hoses and fittings for leaks.
  • Check fluid levels and quality.
  • Look for signs of corrosion on components.
  • Document any findings for maintenance.
  • Check for smooth rotation and minimal play.
  • Look for signs of overheating or scoring.
  • Ensure proper lubrication is applied.
  • Replace worn components as needed.
  • Test each device to ensure it activates appropriately.
  • Inspect for visible damage or corrosion.
  • Check that all connections are secure.
  • Document any malfunctions for immediate repair.
  • Use a tension gauge to measure cable tension.
  • Adjust as necessary to meet manufacturer specifications.
  • Inspect for signs of wear or damage.
  • Document the findings for record-keeping.
  • Check connections for tightness and security.
  • Look for signs of wear or corrosion.
  • Ensure proper alignment of linkages.
  • Document any issues for follow-up.
  • Use a torque wrench to check specifications.
  • Inspect for rust or corrosion on fasteners.
  • Ensure no loose connections are present.
  • Document any adjustments made.

Electrical System Review

  • Power on the control panel.
  • Observe display for error codes.
  • Document any codes displayed.
  • Refer to the manual for error code meanings.
  • Reset the control panel if necessary.
  • Visually inspect all wiring connections.
  • Look for frayed insulation or exposed wires.
  • Check for signs of corrosion on terminals.
  • Ensure wires are routed away from moving parts.
  • Replace any damaged wiring immediately.
  • Use a wrench to check tightness of connections.
  • Inspect terminal blocks for secure fittings.
  • Check wire nuts and connectors for tightness.
  • Look for any loose screws or bolts.
  • Tighten any connections that appear loose.
  • Inspect battery condition and connections.
  • Test the battery by disconnecting main power.
  • Ensure backup system activates as expected.
  • Check for any corrosion on battery terminals.
  • Replace batteries if they show signs of damage.
  • Check each circuit breaker for tripped switches.
  • Inspect fuses for any blown or damaged units.
  • Feel for excessive heat on breakers and fuses.
  • Ensure breakers reset properly after tripping.
  • Replace any faulty components immediately.
  • Manually activate each limit switch.
  • Verify that the elevator stops at designated points.
  • Check for any unusual sounds during operation.
  • Document any switches that fail to operate.
  • Adjust or replace switches as necessary.
  • Test each emergency stop button for functionality.
  • Verify interlock operation during door closing.
  • Ensure safety devices engage and disengage correctly.
  • Document any malfunctioning devices.
  • Replace or repair devices that do not operate.
  • Check the version of the software installed.
  • Refer to the manufacturer's website for updates.
  • Install any available updates following procedures.
  • Test software functions after updates.
  • Document the software version and update date.
  • Activate the elevator and listen for communication signals.
  • Check for delays or interruptions in communication.
  • Inspect wiring related to communication systems.
  • Test emergency communication features.
  • Document any issues or malfunctions.
  • Check voltage levels using a multimeter.
  • Inspect power supply lines for damage.
  • Look for signs of overheating or wear.
  • Document any fluctuations or irregularities.
  • Report issues to a qualified electrician.
  • Use a multimeter to measure voltage levels.
  • Record current readings at key points.
  • Compare readings against manufacturer specifications.
  • Identify any discrepancies or abnormalities.
  • Take corrective actions if readings are out of range.
  • Test all lighting fixtures for functionality.
  • Check emergency lighting operation during power failure.
  • Replace any burnt-out bulbs.
  • Ensure fixtures are clean and free from obstructions.
  • Document any lighting issues.
  • Inspect all grounding connections visually.
  • Check for corrosion or loose connections.
  • Test grounding resistance with a multimeter.
  • Ensure compliance with electrical codes.
  • Repair or replace any faulty grounding components.
  • Test all alarm systems for functionality.
  • Trigger faults to verify alarm response.
  • Inspect speakers and indicators for clarity.
  • Document any alarms that do not operate.
  • Repair or replace faulty alarm systems immediately.
  • Remove dust and debris from components carefully.
  • Use compressed air or a vacuum for cleaning.
  • Inspect for signs of overheating due to dust.
  • Ensure vents and fans are clean and unobstructed.
  • Document any cleanliness issues and remediate.

Lubrication and Cleaning

  • Refer to the manufacturer's manual for specific lubrication points.
  • Use recommended lubricants; avoid over-lubrication.
  • Apply lubricant evenly to ensure proper coverage.
  • Check for any excess lubricant and clean if necessary.
  • Use a mild detergent and soft cloth for cleaning.
  • Pay attention to high-touch areas for hygiene.
  • Dry surfaces thoroughly to prevent water spots.
  • Inspect for any damage while cleaning.
  • Wear appropriate personal protective equipment (PPE).
  • Use a vacuum or broom to remove loose debris.
  • Check for any foreign objects that could obstruct operation.
  • Dispose of waste materials properly.
  • Remove any standing water or debris from the pit.
  • Check drainage systems for clogs or blockages.
  • Inspect pit equipment for wear or damage.
  • Ensure safety signage is visible and intact.
  • Check for wear or damage on guide rails.
  • Clean rails with a suitable solvent before lubrication.
  • Apply lubricant evenly along the length of the rails.
  • Inspect for proper alignment after lubrication.
  • Inspect hinges and tracks for wear or damage.
  • Clean door surfaces with a non-abrasive cleaner.
  • Check door alignment and adjust if necessary.
  • Ensure doors open and close smoothly.
  • Identify lubrication points as per the manual.
  • Use the correct lubricant for door operators.
  • Apply lubricant to hinges and check for smooth operation.
  • Inspect for any unusual sounds during operation.
  • Use a soft, damp cloth to wipe control surfaces.
  • Avoid using harsh chemicals that may damage components.
  • Ensure all buttons are functioning after cleaning.
  • Sanitize high-touch areas regularly.
  • Inspect roller guides for wear and debris.
  • Clean guides and bearings with an appropriate solvent.
  • Apply a suitable lubricant to bearings.
  • Check for smooth movement after maintenance.
  • Test emergency lights for proper operation.
  • Clean lens covers to improve visibility.
  • Replace any burnt-out bulbs immediately.
  • Ensure backup batteries are functional.
  • Inspect air filters for dirt and blockages.
  • Clean vents and ducts to improve airflow.
  • Ensure fans are operational and free of debris.
  • Check for any unusual noises during operation.
  • Use a soft brush or vacuum to clean circuits.
  • Avoid using liquids that could damage electronics.
  • Inspect connections for corrosion or wear.
  • Ensure all components are dry before reassembly.
  • Check safety devices for wear and proper function.
  • Clean any debris or dust from safety devices.
  • Test functionality according to safety standards.
  • Ensure all components are securely mounted.
  • Inspect ropes and cables for fraying or damage.
  • Clean any debris using a soft cloth.
  • Apply lubricant where specified by the manufacturer.
  • Check tension and alignment.

Performance Testing

  • Initiate the elevator's operation from the ground floor.
  • Listen for any abnormal sounds during ascent and descent.
  • Feel for vibrations through the control panel or car walls.
  • Document any unusual observations for further inspection.
  • Observe the elevator's movement between floors.
  • Ensure it comes to a complete stop at each designated floor.
  • Check for any jerks or stutters during travel.
  • Record any discrepancies in stopping accuracy.
  • Open and close the doors multiple times.
  • Measure the time taken for doors to fully open/close.
  • Ensure doors do not pinch or obstruct during operation.
  • Verify that safety sensors function properly.
  • Use calibrated weights to test load limits.
  • Gradually increase the load until the maximum is reached.
  • Observe the elevator's response to the load.
  • Ensure the load does not exceed manufacturer specifications.
  • Monitor the elevator's speed during start-up and stop.
  • Check for any sudden jolts during acceleration or deceleration.
  • Ensure transitions feel comfortable for passengers.
  • Document any issues for further maintenance.
  • Engage the emergency stop button during operation.
  • Ensure the elevator halts immediately without excessive force.
  • Reset the emergency stop and check for normal operation.
  • Document any failure or delay in response.
  • Test the intercom system by initiating a call.
  • Ensure clear audio transmission both ways.
  • Check for functionality of any emergency buttons.
  • Document any issues with communication clarity.
  • Observe the elevator as it arrives at each floor.
  • Check that the car floor aligns with the landing.
  • Look for gaps or misalignment issues.
  • Adjust leveling mechanism if discrepancies are found.
  • Use a stopwatch to time the elevator between floors.
  • Compare the measured speed with manufacturer specifications.
  • Document any deviations from expected performance.
  • Ensure that speed is consistent throughout operation.
  • Engage the overspeed governor while the elevator is in motion.
  • Check that the safety brakes activate smoothly.
  • Ensure no unusual sounds occur during activation.
  • Document any irregularities found during testing.
  • Load the elevator with known weights.
  • Verify that the load weighing mechanism displays accurate readings.
  • Check for any error messages or malfunction indicators.
  • Document performance results for review.
  • Press the call button on multiple floors.
  • Time the duration from button press to arrival.
  • Compare response times with acceptable limits.
  • Record any delays or issues for further analysis.
  • Activate the door hold-open feature.
  • Check that doors remain open without manual assistance.
  • Test the feature under various load conditions.
  • Document any failures in the hold-open functionality.
  • Allow the elevator to remain inactive for the specified time.
  • Observe if it automatically returns to the ground floor.
  • Check for any delays or failure to return.
  • Report any issues with the return functionality.
  • Simulate a power failure during operation.
  • Confirm that the backup power system activates immediately.
  • Check that the elevator remains operational and safe.
  • Document the testing outcomes for the backup system.

Documentation and Reporting

Related Checklists