Fedders Ac Error Codes & Troubleshooting

Fedders AC Error Codes

Error Codes	Cause
E1	System high pressure protection
E2	Anti-freezing protection
E4	Compressor air exhaust high temp. protection
E5	AC overload protection
E6	Indoor and outdoor units communication malfunction
E8	Anti-high temp. protection
H6	Indoor unit motor no feedback
C5	Jump wire cap malfunction protection
F1	Indoor ambient sensor open circuit, short circuit
F2	Indoor evaporator sensor circuit open, short circuit
F3	Outdoor ambient sensor circuit open, circuit short
F4	Outdoor condensor sensor open circuit, short circuit
F5	Outdoor air exhaust sensor open circuit, short circuit
F6	Overload limit/descending frequency
F8	Over current need frequency descending
F9	Air exhaust over high need frequency descending
PH	DC generatrix voltage is too high
U5	Whole unit’s current testing malfunction
P5	Compressor current overcurrent protection

Possible Cause:

1. Wall plug disconnected.
2. House fuse blown or circuit breaker tripped.
3. Unit turned off and then on too quickly.
4. Thermostat set too low for cooling.

Solutions:

1. Push plug firmly into wall outlet.
2. Replace fuse with time delay type or reset circuit breaker.
3. Wait 3 minutes before restarting.
4. Adjust thermostat to lower temperature

Air from unit does not feel cold enough
Possible Cause:

1. Unit in Fan mode.
2. Temperature set too high.
3. Room temperature below 70°F

Solutions:

1. Set Mode to Cool.
2. Set thermostat to lower temperature.
3. 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
Possible Cause:

1. Outdoor temperature below 70°F.
2. Dirty air filter air restricted.

Solutions:

1. To defrost the coil, set mode to Fan. Then, set thermostat to warmer temperature.
2. Clean filter.

Air conditioner cooling, but room too warm –  NO ice forming on cooling coil behind decorative front
Possible Cause:

1. Dirty air filter air restricted.
2. Thermostat set too warm.