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Carrier air conditioner fault code solution

carrier air conditioner error code solution

Carrier Split Air Conditioner Error codes


E1 : Loss communication between the CCC 2 thermostat and an individual system power modul board. The LED error code will display the E1 and the communication lost area number. Any additional area that would blink other than the loose communication current area.

E2 : Open circuit or out-of-range indoor temperature sensor. all heat, cool and dehumidify operations will be shut out. Manual fan operation will continue.

E3 : Indoor Temperature Sensor. All heat, cool and dehumidify operations will be stopped outside. Manual fan will continue

E4 : Open circuit or out of range outdoor temperature sensor ( select model ). The heat pump and dehydration will be discontinue. Air conditioners, furnaces, heat strips and fans may continue to operate.

E5 : Open circuit or out of range freeze sensor. Air conditioners and dehumidification operation will be locked. heat pump, furnaces, heat strips and fans may continue to operate but the final temperature respresents the set point.

E6 : Open circuit humidify sensor ( select model ). Air conditioners and dehumidification will be locked. the heat pump, furnace heat strip and fan can continue to operate.

E7 : Loss of 120 VAC power to all power module boards on the system. the system will shut down

E8 : invalid zone configuration. Both the heat pump and the heat strip DIP switch are in the ON position in the same area. The heat pump, heat strip, air conditioner and dehumidfy operation will be shutdown in afffected area.

E9 : invalid zon econfiguration. Dehumidifier DIP switches and either heat pump or heat strip DIP switches are set ON positions in a zone. The heat pump , heat strip , air conditioner and dehumidify operation will be shutdown in the affected area.

sometimes a breaker will look as if it is in operating condition but has actually tripped. Be sure to flip the breaker lever to OFF and then return to ON with the corresponding click.

Other error code carrier aircond


nF : air filter replacement reminder. After 2880 hours of use, the display window "nF" will flash on the indoor unit. This is a reminder to change your filter. After 15 seconds the unit will return to its previous performance. To reset reminder, press LED button 4 times on your remote control. or manual control button 3 times. if you do not reset the reminder, the "nF" indicator will flash again upon restarting the unit

CL : Air filter cleaning reminder. After 240 hours of use, the display window "CL" will flash on  the indoor unit. this is a reminder to clean your filter. After 15 seconds the unit will return to its previous performance. to reset reminder press LED button 4 times om your remote control or manual control button 3 times.if you do not reset the reminder the "CL" indicator will flash again upon restarting the unit.

EC : refrigrant leakage detections :  indoor unit will automatically display EC the timer indicator light goes off and the run indicator light flashes 7 times when the unit detecs a refrigrant leak 



CARRIER AIR CONDITIONER ERROR CODE SOLUTION



AC carrier error code E0 - (Indoor unit EEPROM parameter error)

AC carrirer error code E1 - (Indoor/outdoor unit communication error)

AC carrier error code E3 - ( The speed of the indoor has gone out of control)

AC carrier error code E4 - ( Indoor room temperature T1 open circuit or short circuit)

AC carrier error code E5 - ( Evaporator coil temperatur T2 open circuit or short circuit)

AC carrier error code EC - ( refrigrant leak detection )

AC carrier error code F1 - ( Outdoor ambient temperature sensor T4 open circuit or short circuit)

AC carrier error code  F2 - (Condenser coil temperature T3 open circuit or short circuit)

AC carrier error code F3 - ( Compresor discharge temperature sensor T5 open circuit or short circuit)

AC carrier error code F4 - ( Outdoor unit EEPROM parameter error)

AC carrier error code F5 - ( Speed of outdoor fan is out of control )

AC carrier error code P0 - ( Strong current protection over IPM malfunction )

AC carrier error code P1 - ( Over voltage or low voltage protection )

AC carrier error code P2 - ( High temperature protection of compresor top diagnostics and solutions )

AC carrier error code  P4 - ( Inverter compresor driver error )

AC carrier error code F8 - ( Compresor suction temperature sensor defective )

AC carrier error code L3 - ( Drive phase current overload defective )

AC carrier error code L4 - ( Phase current sampling defective )

AC carrier error code FO - ( Outdoor ac current protection )

AC carrier error code L1 - ( Drive bus voltage overload protection )

AC carrier error code L2 - ( Drive bus voltage overlow protection )

AC carrier error code P5 - ( Compresor phase current protection )

AC carrier error code P6 - ( Outdoor overhigh or overlow DC voltage protection )

AC carrier error code P7 - ( IPM temperature overheat protection )

AC carrier error code P8 - ( Compresor discharge temperature overheat protection )

AC carrier error code P9 - ( Cooling indoor unit anti freezing protection )

AC carrier error code PU - ( Cooling outdoor coil overheat protection )

AC carrier error code PE - ( Heating indoor coil overheat protection )

AC carrier error code PC - ( Cooling outdoor ambient temperature over-low protection )

AC carrier error code PH - ( Heating outdoor ambient temperature over-high protection )

AC carrier error code E2 - ( Zero crossing signal detection error )

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