TCL Split AC Error Code EE — What It Means & How to Fix It

What Does This Error Mean?

EE means the EEPROM memory chip on the control board has a fault. The EEPROM stores the AC settings and operating parameters — when it fails the unit loses its configuration. A power cycle often fixes a temporary EE fault; a persistent one requires PCB replacement.

Affected Models

TCL TAC-09CHSD/XA21
TCL TAC-12CHSD/XA21
TCL TAC-18CHSD/XA21
TCL TAC-24CHSD/XA21
TCL Inverter Split System

Common Causes

Power surge or voltage spike corrupted the EEPROM data
EEPROM chip physically failed due to age or component degradation
PCB fault preventing the controller from reading the EEPROM
Incorrect firmware or failed update corrupted memory contents
Static discharge or moisture on the PCB damaged the memory chip

How to Fix It

Switch off the AC at the wall socket or circuit breaker.

A full power cut — not just the remote — is needed to reset the control board completely.
Leave the unit unpowered for at least 10 minutes.

This allows capacitors on the PCB to fully discharge, giving the EEPROM a clean reset.
Restore power and turn the AC on. Check if EE has cleared.

If the EEPROM fault was caused by a temporary voltage glitch, a reset often resolves it.
If EE returns immediately or within a short period, call a technician.

A recurring EE means the EEPROM chip or the PCB itself is faulty and cannot be reset.
Tell the technician the fault code and whether it appeared after a power event.

Power surges are a common cause of EEPROM corruption — a surge protector prevents recurrence.

When to Call a Professional

If power cycling does not clear EE, the indoor or outdoor PCB likely needs replacing. EEPROM chips are soldered directly to the board — replacing just the chip requires specialist equipment. A technician can confirm which board is faulty and source a replacement.

Frequently Asked Questions

What is the EEPROM in a TCL air conditioner?

EEPROM is a small memory chip soldered onto the control board. It stores the factory configuration, operating parameters, and sometimes fault history. Think of it like the AC's long-term memory — if it fails, the unit cannot operate correctly.

Can a power outage cause EE error on TCL AC?

Yes. A sudden power cut during operation, or a surge when power returns, can corrupt the EEPROM. This is especially common in areas with unstable electricity supply. Fitting a surge-protected power board can prevent this from happening again.

How much does it cost to fix EE on a TCL split AC?

If a power reset fixes it, there is no cost at all. If the PCB needs replacing, expect to pay $100–$300 for the part plus $80–$150 labour. For older units, compare repair cost to replacement — a new AC may be more economical.