Fan Coil Unit Daily, Weekly, Monthly, preventive maintenance checklists

Daily Maintenance Checklist

  • Listen carefully while the unit is running.
  • Identify any irregular sounds such as rattling or grinding.
  • Check for vibrations that may indicate loose components.
  • Document any concerns for further inspection.
  • Set the thermostat to a specific temperature.
  • Verify that the unit responds appropriately to changes.
  • Ensure the display is functioning and shows accurate readings.
  • Clean any dust from the thermostat area.
  • Remove the air filter from its housing.
  • Inspect for dirt, dust, and debris buildup.
  • Clean or replace filters as necessary.
  • Ensure filters are properly seated back in place.
  • Inspect the drain line for blockages.
  • Check for water pooling around the unit.
  • Flush the drain line with water if necessary.
  • Ensure the drain pan is clean and free of debris.
  • Use a thermometer to measure supply air temperature.
  • Compare it with the expected temperature range.
  • Record return air temperatures for analysis.
  • Look for significant temperature differentials.
  • Check around joints and fittings for moisture.
  • Look for oil spots indicating refrigerant leaks.
  • Inspect the area beneath the unit for water stains.
  • Document any leaks for maintenance follow-up.
  • Inspect circuit breakers for any that are tripped.
  • Use a multimeter to check voltage at the unit.
  • Ensure connections are secure and undamaged.
  • Document any electrical issues encountered.
  • Stand close to the unit while it operates.
  • Identify any irregular sounds such as humming or buzzing.
  • Check for changes in sound that may indicate failure.
  • Log any unusual noises for review.
  • Observe the fan blades while the unit runs.
  • Ensure there are no wobbles or irregular movements.
  • Check the fan speed against specifications.
  • Lubricate any accessible fan motor components.
  • Hold your hand near the vent to feel airflow.
  • Inspect vents for any visible blockages.
  • Ensure furniture or other items are not obstructing airflow.
  • Document any airflow issues for further action.
  • Wipe down the exterior surfaces with a damp cloth.
  • Remove any dirt, dust, or leaves from around the unit.
  • Check for signs of corrosion or rust.
  • Ensure the area around the unit is clear.
  • Record the start and stop times of the unit.
  • Note operating temperatures and any fluctuations.
  • Document any maintenance issues or concerns.
  • Store logs for future analysis.
  • Inspect the control panel for any signs of wear.
  • Check wiring for frays or exposed areas.
  • Ensure all connections are secure.
  • Document any damage for repair.
  • Activate safety controls to ensure proper function.
  • Check that emergency shutoff features engage correctly.
  • Document the results of the tests.
  • Address any safety concerns immediately.
  • Look for tears or wear in insulation materials.
  • Check for damp spots that could indicate moisture issues.
  • Ensure insulation is properly in place.
  • Document any insulation concerns for repair.

Weekly Maintenance Checklist

  • Turn off the fan coil unit.
  • Remove the air filter from its housing.
  • Inspect the filter for dirt and damage.
  • Clean the filter with water or replace it if necessary.
  • Reinstall the filter securely.
  • Turn off the power to the unit.
  • Remove any access panels to the fan and motor.
  • Check for unusual wear or noise.
  • Look for loose connections or damaged components.
  • Document any findings for further action.
  • Turn off the unit's power supply.
  • Inspect all electrical connections for tightness.
  • Look for signs of corrosion or wear.
  • Tighten any loose connections securely.
  • Ensure safety measures are followed while handling electrical components.
  • Inspect all accessible ductwork visually.
  • Check for signs of air leaks or blockages.
  • Use a flashlight if necessary for better visibility.
  • Report any issues and schedule repairs as needed.
  • Seal any leaks with appropriate materials.
  • Examine the exterior casing closely.
  • Look for signs of rust or corrosion.
  • Use a wire brush to remove minor rust.
  • Apply protective paint or coating if needed.
  • Document any significant corrosion issues.
  • Inspect the drain line for blockages.
  • Clear any clogs using appropriate tools.
  • Verify proper drainage by observing water flow.
  • Check the drain pan for signs of overflow.
  • Confirm thermostat is set to the desired temperature.
  • Use a calibrated thermometer to check accuracy.
  • Adjust settings if temperature readings differ.
  • Ensure thermostat display is functioning correctly.
  • Cycle through all fan speed settings.
  • Listen for abnormal sounds at each setting.
  • Confirm airflow is consistent across speeds.
  • Check for any vibration issues during operation.
  • Examine lines for moisture or corrosion.
  • Check insulation for tears or wear.
  • Look for frost buildup indicating a leak.
  • Report any damage for further inspection.
  • Use a level to check the unit's position.
  • Clear any debris from around the unit.
  • Ensure air intake and exhaust areas are unobstructed.
  • Adjust mounting if necessary to maintain level.
  • Listen for rattling, buzzing, or grinding sounds.
  • Document any irregular sounds for reference.
  • Compare normal operation sounds to observed sounds.
  • Investigate sources of unusual noise if present.
  • Use a soft cloth or vacuum to clean surfaces.
  • Avoid using harsh chemicals that may damage the unit.
  • Focus on the grille and surrounding areas.
  • Ensure all cleaning is done safely and thoroughly.
  • Test the emergency shut-off switch.
  • Verify sensor readings against expected values.
  • Inspect wiring for any signs of wear.
  • Ensure all safety features engage as intended.
  • Look for any visible damage to insulation.
  • Check for gaps or exposed areas.
  • Ensure insulation is securely attached.
  • Replace any damaged sections as needed.
  • Examine past maintenance entries for patterns.
  • Identify frequent issues that may require action.
  • Discuss findings with maintenance team.
  • Plan corrective measures for recurring problems.

Monthly Maintenance Checklist

General Preventive Maintenance Checklist

Related Checklists