Keeprite Air Conditioner Error Codes

AC BrandsKeeprite
Error CodesTrouble
E1High pressure protection of system
E2Anti-freezing protection
E3Block or Low pressure of refrigerant system
E4Compressor exhaust high temperature protection
E5AC over-current protection
E6Communication failure between indoor unit and outdoor unit
E8Anti-high temperature protection
H4Anti-high temperature protection
H6No feedback of indoor fan motor
C5Jumper cap malfunction protection
LPIndoor unit and outdoor unit doesn't match
L3Outdoor DC fan motor malfunction
L9Power protection
FoGathering refrigerant
F1Indoor ambient sensor open or short circuit
F2Indoor tube sensor open or short circuit
F3Outdoor ambient sensor open or short circuit
F4Outdoor tube sensor open or short circuit
F5Exhaust sensor open or short circuit

How to fix E1? High pressure protection of system

Ac Status: During the cooling and drying operation, all loads stop operating except the indoor fan. During the heating operation, the entire unit stops.

Possible Reasons:

  1. Refrigerant is superabundant;
  2. Poor heat exchange (including a bad radiating environment ); the ambient temperature is too high.

How to fix E2? Anti-freezeprotection

Ac Status: During the cooling and drying operation, the compressor and outdoor fan stop while the indoor fan operates.

Possible Reasons:

  1. Poor air-return in indoor unit;
  2. Fan speed is abnormal;
  3. Evaporator is dirty.

How to fix E4? High discharge temperature protection of compressor

Ac Status: During the cooling and drying operation, the compressor and outdoor fan stop while the indoor fan operates. During the heating operation, all loads stop.

Possible Reasons: Refer to the malfunction analysis (discharge protection, overload).

How to fix E5? Overcurrent protection

Ac Status: During the cooling and drying operation, the compressor and outdoor fan stop while the indoor fan operates. During the heating operation, all loads stop.

Possible Reasons:

  1. Supply voltage is unstable;
  2. Supply voltage is too low and the load is too high;
  3. Evaporator is dirty.

How to fix E6? Communication Malfunction

Ac Status: During the cooling operation, the compressor stops while the indoor fan motor operates. During the heating operation, the entire unit stops.

Leave a Reply

Your email address will not be published. Required fields are marked *

Fill out this field
Fill out this field
Please enter a valid email address.
You need to agree with the terms to proceed

You May Also Like

lennox ac error codes
Lennox AC Error Codes and Troubleshooting
york ac error codes
York Air Conditioner Error Codes

Subscribe to our Youtube Channel

Must Read

Menu