GE Air Conditioners Error Codes

CF

GE air conditioner displays CF after a period of operation but continues to run

Filter Cleaning Reminder

E1

GE window or through-the-wall air conditioner stops cooling and displays E1 on the control panel

Indoor Ambient Temperature Sensor Fault

E2

GE air conditioner displays E2 and may run briefly then shut off or not cool properly

Evaporator Coil Temperature Sensor Fault

E3

GE air conditioner shows E3 and may shut down cooling or fan operation intermittently

Outdoor / Condenser Temperature Sensor Fault

E4

GE air conditioner displays E4 and may stop cooling or enter a protection mode

Defrost / Frost Protection Sensor Fault or Overload Protection

E5

GE air conditioner shows E5 and may shut down compressor or fan unexpectedly

Overcurrent / Overload Protection or Voltage Error

E6

GE air conditioner displays E6 and may not respond correctly to commands or remote control

Communication Error Between Display Board and Main Control Board

E7

GE air conditioner shows E7 and may not operate in certain modes or may shut down

Mode Control or Reversing Valve / Sensor Error (Heat Pump Models)

EC

GE air conditioner displays EC and stops cooling, fan may still run

Refrigerant System Protection / Low Refrigerant or Sensor Error

ES

GE air conditioner shows ES and may not maintain set temperature

Temperature Sensor Error (Generic)

F1

GE air conditioner displays F1 and may not cool or may run erratically

Indoor Ambient Temperature Sensor Out of Range

F2

GE air conditioner shows F2 and may shut off cooling prematurely or not start

Evaporator Coil Sensor Out of Range

F3

GE air conditioner displays F3 and may not regulate temperature correctly

Outdoor / Condenser Sensor Out of Range

F4

GE air conditioner shows F4 and may not respond to keypad or remote inputs

Keypad / User Interface Failure

F5

GE air conditioner displays F5 and may shut down or not start the compressor

Condenser Coil Overheat or High Temperature Protection

H1

GE heat pump air conditioner displays H1 and does not immediately provide heat

Defrost Mode / Preheat Protection (Heat Pump)

H3

GE heat pump air conditioner shows H3 and stops heating or cooling

Compressor Overload Protection / High Temperature

HI

GE air conditioner displays HI and may struggle to cool the room

High Temperature Indication / Room Temperature Above Range

LO

GE air conditioner displays LO and may not cool or may run fan only

Low Temperature Protection / Room Temperature Below Operating Range

P1

GE portable air conditioner displays P1 and stops cooling, often with water in the base

Internal Condensate Tank Full / Water Level Protection

P2

GE portable air conditioner shows P2 and stops cooling, often in high humidity

High-Level Condensate Protection / Secondary Tank Full

Symptom

GE air conditioner display and buttons work, but unit does not respond to remote control

Remote Control / IR Receiver Failure

Symptom

GE air conditioner display is dim, flickering, or partially unreadable

Display / LED Module Failure

Symptom

GE air conditioner does not respond to front panel buttons

Local Control Panel Failure

Symptom

GE air conditioner emits a musty or moldy odor when running

Biological Growth in Evaporator and Drain Pan

Symptom

GE air conditioner fan does not run, but compressor may start and get very hot

Indoor or Outdoor Fan Motor Failure

Symptom

GE air conditioner frequently freezes up with ice on the evaporator coil

Evaporator Coil Icing

Symptom

GE air conditioner frequently turns on and off (short cycling)

Short Cycling / Improper Control or Sizing

Symptom

GE air conditioner in DRY (dehumidify) mode produces little or no cool air

Normal Dehumidification Operation Misunderstood

Symptom

GE air conditioner in HEAT mode (heat pump) blows cool air

Heat Pump Heating Failure

Symptom

GE air conditioner leaks water inside the room

Condensate Drainage Failure

Symptom

GE air conditioner makes loud rattling or buzzing noises during operation

Mechanical Vibration or Loose Component

Symptom

GE air conditioner runs but airflow from the front grille is very weak

Restricted Airflow / Blower Problem

Symptom

GE air conditioner runs but does not cool the room effectively

Insufficient Cooling Capacity / Heat Transfer Problem

Symptom

GE air conditioner timer function does not work correctly

Timer / Control Logic Malfunction

Symptom

GE air conditioner trips the circuit breaker when starting or shortly after

Overcurrent / Electrical Short

Symptom

GE air conditioner turns on but the compressor does not start (fan only)

Compressor Start Failure

Symptom

GE air conditioner will not turn on at all (no lights, no fan)

No Power / Main Power Circuit Failure