Haier Air Conditioner Error F24
⚡ Quick Answer: The Haier air conditioner error code F24 indicates a communication failure between the indoor and outdoor units, which may result in the display flash... ⚠️ Difficulty Varies
What Does Error F24 Mean?
The Haier air conditioner error code F24 indicates a communication failure between the indoor and outdoor units, which may result in the display flashing or the unit becoming unresponsive. This issue may be due to a possible open circuit in the current transformer or a fault in the temperature sensor circuit. It's essential to address this promptly to ensure your air conditioning system functions effectively.
Common Symptoms:
- Error code F24 displayed on indoor unit display
Possible Causes
- Possible current transformer (CT) circuit open/connection fault (low)
- Possible compressor/exhaust/temperature sensor circuit fault (low)
How to Fix Error F24
DIY Fix Basic checks before service
- Turn off power to the unit (using remote and breaker).
- Wait ~10 minutes and restart to see if the code clears.
- Ensure filters are clean and airflow is not blocked.
Technician Only Technician diagnostic and repair
- Inspect and test current transformer and related wiring for continuity.
- Check compressor discharge/exhaust temperature sensor and wiring.
- Use HVAC diagnostic tools to read sensor values and control board signals.
- Repair or replace faulty sensor, CT, or associated wiring as needed.
Parts needed: current transformer/sensor, temperature sensor(s), wiring harness
- If the error persists after basic power reset and cleaning filters
- If unfamiliar with HVAC electrical diagnostics or internal wiring
Next step
Choose the next step for F24
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Air Conditioner parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Air Conditioner Fin Cleaner
For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.
Model-Compatible Washable AC Filter
A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.
Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does F24 error mean on haier air conditioner?
F24 indicates a communication failure between indoor and outdoor units, often causing unresponsiveness.
Can I fix haier air conditioner F24 error myself?
Yes, try resetting the unit and cleaning filters. Turn off power, wait 10 minutes, then restart.
How much does it cost to fix F24 error?
Repair costs vary by region but are generally moderate, including parts and labor.
When should I call a technician for F24?
Call a technician if the error persists after basic resets or if you're unfamiliar with HVAC diagnostics.
Data last verified: 2026-07-31
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