Kelvinator Air Conditioner Error Codes Index

If the display shows no code at all, and only a light is flashing, the troubleshooting section covers reading the pattern instead.

We repair and service these systems as an independent trade business, not as the manufacturer.

Diagram of the temperature split test, showing return air measured at the top of the indoor unit, supply air measured at the louvre, and the difference between the two readings

E codes

Codes beginning with E. Each page covers what the board is reporting, the usual causes, and what to record before you book a visit.

Kelvinator E1 Error Code, A Checklist for OwnersKelvinator E1 error code explained in plain English, with a safe owner checklist, likely causes and the point where a technician takes over.
Kelvinator E2 Error Code, When the Coil Freezes and Cooling StopsKelvinator E2 error code means anti freeze protection stopped the unit. Here is the symptom pattern, the safe checks and how the repair actually runs.
Kelvinator E3 Error Code, What the Sensor Fault Looks LikeKelvinator E3 error code means a sensor fault. Learn the symptom pattern, the conditions that trigger it, safe owner checks and when to call a technician.
Kelvinator E4 Error Code, When the Compressor Runs Too HotKelvinator E4 error code means compressor discharge high temperature. Learn the symptom pattern, safe owner checks and when a technician must take over.
Kelvinator E5 Error Code, A Beginner Guide to Over Current ProtectionKelvinator E5 error code means over current protection tripped. Learn the symptom pattern, the safe checks you can make and when a technician must take over.
Kelvinator E6 Error Code, the Myths That Waste the Most TimeThe Kelvinator E6 error code reports a communication fault between the indoor and outdoor boards. Here are the myths, the safe checks and the real repair.
Kelvinator E8 Error Code, Anti High Temperature Protection ExplainedKelvinator E8 error code means anti high temperature protection stopped the unit. Learn the symptom pattern, safe owner checks and when to call a technician.
Kelvinator EC Error Code, What Refrigerant Leak Detection Means for YouThe Kelvinator EC error code means refrigerant leak detection. Learn the symptom pattern, the checks you can safely make and when to call a technician.
Kelvinator EE Error Code, What a Stored Memory Fault InvolvesThe Kelvinator EE error code points at a memory fault on the control board. See the symptom pattern, the safe checks and what shapes the repair cost.

F codes

Codes beginning with F, covered the same way, one page for each code.

H codes

Codes beginning with H, covered the same way, one page for each code.

P codes

Codes beginning with P, covered the same way, one page for each code.

Other codes

The remaining codes that do not fall into the four families above.

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Talk it through with a technician

Tell us the model and what the unit is doing, and we will bring the right parts to the first visit.

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