Carrier Ceiling-Suspended Fan Coil Unit 38HDR-5-036

Turn off power to the system using the remote thermostat mode button until the display shows 'OFF'.

Turn off the outdoor disconnect switch located near the outdoor unit.

If the indoor unit is on a separate switch, ensure this disconnect is turned off as well.

Remove air filters by pulling them straight out.

Inspect filters for any signs of damage or breakdown.

Is the air filter in good condition and not torn?

Condensate Drainage System Check

Remove grille and frame from the unit

Insert a water bottle into the fan coil unit and fill drain pan

Is water flowing steadily from the drain pan?

If water is not flowing steadily, describe the issue

Ensure all wiring connections are correct and tight

Check that all barriers, covers, and panels are in place

Ensure filters and return-air grilles are installed and discharge louvers are positioned correctly

Complete the Start-Up Checklist on page CL-1

Refer to individual unit installation instructions for outdoor unit maintenance procedures

Remove any dirt or obstruction from discharge opening.

Use a garden hose to spray water on the coil.

Describe any debris removed from between coil fins.

Open the unit and clean fins inside

Remove dust from electrical parts

Check electrical connections are tight

Check that outdoor fan assembly is tight