Air conditioner (AC) error messages
Resolution
Malfunction | Error Message | Solution |
Antifreeze protection | E2 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
System blockage or leakage of refrigerant | E3 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Protection against compressor discharge at high temperature | E4 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Protection against AC overcurrent | E5 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Communication failure between the indoor and outdoor unit | E6 | Contact an Authorised Service Center. |
Protection against excessively high temperature | E8 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
H4 | ||
No feedback from indoor fan motor | H6 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Protection against malfunction in jumper cap | C5 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Indoor unit and outdoor unit do not match | LP | Contact the dealer for the appliance. |
Malfunction in outdoor unit’s DC fan motor | L3 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Current protection | L9 | Switch the appliance off and on again. If this does not resolve the issue, contact the Authorised Service Center. |
Accumulation of refrigerant | Fo | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Indoor unit’s ambient sensor open or short circuit | F1 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Indoor unit’s pipe sensor open or short circuit | F2 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Outdoor unit’s ambient sensor open or short circuit | F3 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Outdoor unit’s pipe sensor open or short circuit | F4 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Discharge sensor open or short circuit | F5 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Overload limit/fall frequency | F6 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Overcurrent limit/fall frequency | F8 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Limit for high discharge temperature/fall frequency | F9 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Antifreeze limit/fall frequency | FH | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Defrosting | H1 | This indicates routine defrosting. |
Protection against overload of compressor | H3 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
IPM protection | H5 | Switch the appliance off and on again.Otherwise, request a visit by an installation technician. |
PFC protection | HC | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Malfunction in reading of EEPROM | EE | Switch the appliance off and on again. Otherwise, request a visit by an installation technician. |
Protection against high PN voltage | PH | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Protection against low PN voltage | PL | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Abnormal change of 4-way valve | U7 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Min. frequency for compressor in test mode | Po | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Rated frequency for compressor in test mode | P1 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Max. frequency for compressor in test mode | P2 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Medium frequency for compressor in test mode | P3 | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Frequency limit (power) | LU | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |
Frequency limit (module temperature) | EU | Switch the appliance off and on again. If this does not resolve the issue, contact an Authorised Service Center. |