Fedders Air Conditioner Troubleshooting

The failure of your air conditioner may not only come at a price, but also disrupt plans. Therefore, before call the service center, use the manual for self-detection of failure and its troubleshooting. 4 tables below are devoted to different models of Fedders air conditioner. Select the manual of the model of your air conditioner and save it for yourself.

Fedders HFC1009N2F Air Conditioner Troubleshooting

OccurrencePossible causeSolution
Air conditioner will not operateHouse fuse blown or circuit breaker trippedReset circuit breaker
Remote control batteries are discharged Control circuit malfunctionReplace batteries Contact installer
Water dripping insideImproper installation or clogged drain tubeContact installer
Water draining outsideUnit is removing moisture from humid roomThis is normal during humid days
Noise when unit is coolingAir movement sound Vibration — poor installationThe sound of rushing air is normal. If too loud, use a lower fan setting.
Contact installer
Not cooling efficientlyDirty air filtersClean filters
Air conditioner compressor does not run for three minutes after restartCompressor protection circuit prevents compressor from running for three minutes after restartThis is normal. Wait three minutes before restarting.
Fan speeds up in cooling mode during cooling operationIndoor coil defrostingThis is normal during humid days
Outdoor unit stops functioning for approximately 15 minutes (heat pump models)Unit is melting ice that has formed on the outdoor coilThis is normal

Fedders A6U10W2A Air Conditioner Troubleshooting

OccurrencePossible CauseSolutions
Air conditioner will not operate• Wall plug disconnected.• Push plug firmly into wall outlet.
• House fuse blown or circuit breaker tripped.• Replace fuse with time delay type or reset circuit breaker.
• Power control in OFF position.• Turn power control to ON.
• Unit accidentally turned off by moving the thermostat to a higher temperature and then immediately turned back to a colder position.• Wait approximately 3 minutes.
• Unit turned off and then on too quickly.Listen for the compressor to start.
• Thermostat set too low for cooling.• If air conditioner is turned off, wait 3 minutes before restarting.
• Adjust thermostat to higher setting for cooling.
Air from unit does not feel cold enough• Selector in fan position.• Set mode to cool position.
• Thermostat set too warm.• Set thermostat to colder temperature.
• Room temperature below 70°F.• Cooling may not occur until room temperature rises above 70°F.
Air conditioner cooling, but room is too warm — ice forming on cooling coil behind decorative front• Outdoor temperature below 70°F.• To defrost the coil, set selector to FAN position.
• Dirty air filter — air restricted.Then, set thermostat to warmer position.
• Thermostat set too cold for nighttime cooling.• Clean filter. To defrost, set selector to FAN.
• To defrost the coil, set selector to FAN position.
Air conditioner cooling, but room too warm —• Dirty air filter — air restricted.• Clean air filter.
NO ice forming on cooling coil behind decorative front• Thermostat set too warm.• Set thermostat to colder setting.
• Fan selector set on LOW.• Set fan speed selector to HIGH for maximum cooling.
Noise when unit is cooling• Air movement sound.• The sound of rushing air is normal. If too loud, turn selector to lower fan setting.
• Sound of fan hitting water-moisture removal system.• This is normal when humidity is high.
• Window vibration — poor installation.Close doors, windows and registers.
Water dripping inside when unit is cooling• Improper installation.• Tilt air conditioner slightly to the outside to allow water drainage. Refer to installation instructions — check with installer.
Water dripping outside when unit is cooling• Unit removing large quantity of moisture from humid room.• This is normal during excessively humid days.

Fedders GWH18MC Air Conditioner Troubleshooting

Name of malfunctionError Running LEDD40D41D42D43AC statusMalfunctions
System high pressure protectionEl3s Off blink oncecooling, dehumidifying, except the indoor fan motor is running, others will stop to run. heating; all stop runningHigh pressure of system, might be:
1.Refrigerant is too much;
2. Poor heating exchanging for units (including heat exchanger is dirty and unit heating radiating ambient is poor);
3. .Ambient temp, is too high.
Anti-freezing protectionE23s Off blink twicecooling, dehumidifying, compressor, outdoor fan motor will stop running, indoor fan motor will keep running.1.Poor indoor unit air returning;
2.Indoor fan motor rotating speed abnormal; 3. Evaporator is dirty;
Compressor air exhaust high temp, protectionE43s Off blink four timescooling, dehumidifying, compressor, outdoor fan motor will stop running, indoor fan motor works, heating: all stop running.Pis refer to trouble shoot (air exhaust protection, overload)
AC overload protectionE5Off 3s blink 5 timesCooling, dehumidifying, compressor, outdoor fan motor will stop, indoor fan will work, heating; all will stop1. Power supply is not stable, fluctuation is too much
2. Power supply is too low, overload is too much
Indoor and outdoor units canminication malfunctionE6Off 3s blink 6 timesCooling, compressor will stop, indoor fan motor works. Heating: all will stop.
Anti-high temp, protectionE8Off 3s blink 8 timesCooling, compressor will stop, indoor fan motor works. Heating: all will stop.
Indoor unit motor no feedbackH6Off 3s blink 11 timesWhole unit will stop to run1.Poor insert for GPF
2. Indoor control board API malfunction
3. Indoor motor Ml malfunction
Jump wire cap malfunction protectionC5Off 3s blink 15 timesWhole unit will stop to runIndoor control board API jump cap poor connected, please reinsert or replace the jump cap.
Indoor ambient sensor open circuit, short circuitFIOff 3s blink onceCooling, dehumidifying: indoor fan motor is running, other overloads will stop; Heating, whole unit will stop to run.1.Room temp, sensor is not connected with the control panel API
2. Room temp, sensor is damaged

Fedders D3DNA3A Air Conditioner Troubleshooting

TROUBLEPOSSIBLE CAUSESOLUTION
The unit can not startThe unit may not be connected to the power supply correctly.Check the power supply of the vehicle and make sure it is provided correctly.
The unit can not cool the roomThe roof top air conditioner is not level.Mount the roof top air conditioner as level as possible from front to rear and side to side when the vehicle is parked.Make sure that the mounting of the air conditioner is correct and level.
The temperature setting is too high.Reset the remote control to a lower temperature setting.
The air filter is dirty.Remove and clean the filter.
The room was already very hot before the unit was turned on.Allow a sufficient amount of time for unit to cool the room.
The unit is making noiseThe unit is click and gurgle.These noise are normal during the operation of the unit.
The unit has water dripping insideThe basepan gasket has not been evenly compressed.Mounting bolts should be tightened evenly by compressing the basepan gasket.
The unit has ice or frost on the coilsThe temperature is low inside.Select FAN mode at HIGH fan speed.
The filter is dirty.Remove and clean the filter.

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