Carrier 52C Series Owner's Manual

Also see for COMFORT 52C SERIES: Owner's manual Service technician guide Architects and engineers' manual User manual

Contents

Carrier 52C Series Owner's Manual Manual pdf 14 page image

TROUBLESHOOTINGPOSSIBLE CAUSES SOLUTIONSUNIT DOES NOT START• Unit may have become unplugged • Check that plug is securely in wall receptacle.• RESET button on cord or plug may have tripped • Check RESET button on cord or plug. See Note 1.• Fuse may have blown • RepLacethe fuse. See Note 1.• Circuit breaker may have been tripped • Reset circuitbreaker. See Note 1.• Unit mode dial may be set to the OFF position • Switch mode dial to an operating mode.UNIT NOT COOLING/HEATING ROOM• Unit air discharge section is blocked • Make sure that curtains, blindsor furniture are not restrictingorblockingunit airflow.• Temperature setting is not high or low enough - Reset to a lower or higher temperature setting.• Unit air filters are dirty - Remove and clean filters.• Room is excessively hot or cold when unit is started • Allow sufficientamount of time for unit to heat or cool the room.Start heating or cooling early before outdoortemperature, cookingheat or gatherings of people make room uncomfortable.• Vent door left open • Close vent door.UNIT MAKING NOISES • Clicking, gurgling and whooshingnoises are normal duringoperation ofunit.WATER DRIPPING OUTSIDE • If a drain kit has not been installed,condensation run-off duringvery hot and humid weather is normal. See Note 2. If a drain kithas been installedand is connected to a drain system, checkgaskets and fittingsaround drain for leaks and plugs.WATER DRIPPING INSIDE• Wall sleeve is not installedlevel • Wall sleeve must be installed level for proper drainage of condensation.Check that installationis level and make any necessary adjustments.ICE OR FROST FORMS ON INDOOR COIL• Low outdoor temperature • When outdoortemperature is approximately 55 F or below, frostmay form on the indoor coil when unit is in Cooling mode. Switchunit to FAN operation until ice or frost melts.• Dirtyfilters • Remove and clean filters.NOTES:1. If circuit breaker is tripped, fuse is blown or RESET button on cord or plug is tripped more than once, contact a qualified electrician.2. If unit is installed where condensation drainage could drip in an undesirable location, an accessory drain kit should be installed and connected todrain system.14