Error codes can help you know when your air conditioning system needs to be repaired or isn’t working as it should. Each error code has a meaning to help you understand the problem and what needs to be done to fix it.
Below are the error codes for Kelvinator systems and the matching explanation.
This will delete your air conditioner’s on board memory. We recommend trying this step before spending money on a service call.
Separate your air conditioning system from its power supply. Unplug it from a power point, turn off the isolator next to the outdoor unit or shut down your house’s power from the electrical board. Then leave it for 15 to 30 minutes.
Have an expert look into the issue. This will make sure you don’t accidentally cause further damage to your air conditioning system.
EE: Loading EEPROM Malfunction
E2: Anti-Freeze Protection
E3: Refrigeration System Blocked/Gas Leak
E4: Compressor High Temp Protection
E5: AC-Over Current Protection
E6: Communications Fault
E8: Anti-High Temperature Protection
F1: Sensor, Room Temperature (Indoor)
F2: Sensor, Tube Temperature (Indoor)
F3: Sensor, Ambient (Outdoor)
F4: Sensor, Coil (Outdoor)
F5: Sensor, Compressor Discharge (Outdoor)
F6: Anti-High Temperature Protection
FH: Anti-Freeze Limit, Frequency Drop
H1: Defrosting. It is normal. The unit is in defrosting mode and heating will recommence soon.
H3: Compressor Overload Protection
H5: IPM Protection
H6: Fan Stall, Indoor Unit
HC: PFC Protection
P1: Compressor Rated Frequency-Test State
P2: Compressor Maximum Frequency-Test State
P3: Compressor Medium Frequency-Test State
PH: High Voltage Protection
PL: Low Voltage Protection
PO: Compressor Minimum Frequency-Test State
LP: Indoor & Outdoor Units Don’t Match
L3: Outdoor DC Fan Motor Malfunction
C5: Jumper Cap Malfunction
d1: Compressor off
d2: The air conditioner continues to cool or heat during the demand response event,but the electrical energy consumed by the air conditioner in a half your period is not more than 50% of the total electrical energy that would be consumed if operating at the rated capacity in a half hour period.
d3: The air conditioner continues to cool or heat during the demand response event, but the electrical energy consumed by the air conditioner in a half your period is not more than 75% of the total electrical energy that would be consumed if operating at the rated capacity in a half hour period.
E2: Freeze Protection
H5: IPM protection
E5: Overcurrent protection
EE: EEPROM reading and writing malfunction
PL: Low voltage protection
PH: High voltage protection
HC: PFC overcurrent protection
LP: Mismatching of models of indoor and outdoor units
F3: Malfunction of outdoor ambient temperature sensor
F4: Malfunction of outdoor pipe temperature sensor
F5: Malfunction of outdoor discharge temperature sensor
E6: Communication malfunction
E3: Low pressure protection (refrigerant leak)
U7: Abnormality of 4-way valve
E8: Over-load protection
E4: Discharge temperature protection
H3: Overload protection
L9: Over power protection
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