Haier air conditioner faults: fault codes, causes and parts
All 65 fault codes for Haier air conditioners, plus the faults that show no code. Type your code or choose your symptom.
A fault on an Haier air conditioner usually means that the appliance has locked out or is reporting a fault code. Note the code on the display and look it up below: for each code you will find its meaning, checks you can safely do yourself and the parts that are often checked or replaced. Frequently searched: E7 (communication error between indoor and outdoor unit), E1 (indoor unit room temperature sensor error message), F11 (compressor inverter module error message). No code? Check the power supply, the settings and the filters, and reset once. If the fault comes back, call in a qualified professional.
Most searched Haier faults
These are the codes that visitors to this site search for most often.
See the 25 most searched fault codes of 2026, with the figures behind them →
Haier air conditioner faults without a code on the display
Not every fault shows a code. These are the symptoms we come across most often with Haier appliances, with what you can check yourself before calling someone out.
Air conditioner does not cool or hardly cools
First check the setting (cooling, not fan only) and the filters in the indoor unit. Dirty filters already reduce efficiency considerably. If it still does not cool, the refrigerant charge or the compressor may be the problem; only a certified F-gas technician may work on these. View the matching parts → Read the full explanation: air conditioner no longer cooling →
Water coming from the indoor unit
Condensate should drain away to the outside. If it runs down the unit, the condensate drain is usually blocked or the pump is off. Switch the unit off and have the drain flushed. View the matching parts → Read the full explanation: air conditioner leaking water from the indoor unit →
Ice on the indoor or outdoor unit
Almost always the result of too little airflow (dirty filters) or too little refrigerant. Switch the unit off and let it defrost before investigating further. View the matching parts → Read the full explanation: air conditioner no longer cooling →
Remote control does not respond
Start with new batteries and check that there is no message on the display. If the unit does respond to the emergency button, the problem lies with the remote control or the receiver. View the matching parts → Read also: settings that are wrong more often than you think →
All 65 Haier air conditioner fault codes
Order parts for your Haier air conditioner
Haier parts are available from Instalpunt; shipping to EU countries from €17.95 (€24.95 for more distant countries), usually 3–5 working days.
Frequently asked questions about Haier faults
What does a fault on an Haier air conditioner mean?
The appliance is reporting that it has shut itself down or cannot continue. The code on the display points to the group of causes: ignition, water pressure, a sensor, the fan or communication with the thermostat. The table above shows, for each code, what Haier means by it.
How do I reset my Haier air conditioner?
The reset button is on the control panel of your Haier air conditioner; on most appliances you hold it down for two to five seconds until the display responds. Reset once. If the same fault comes straight back, resetting will not solve it and a part or a setting needs attention. Always consult the manual for your model: the position of the button and how long to press it differ per series.
Can I fix a Haier fault myself?
You can top up the water pressure, bleed the system, replace filters and clean a siphon yourself. Anything behind the sealed section of a gas appliance is a different matter: work on the gas valve, burner, heat exchanger and flue must be carried out by a certified gas engineer.
How much does it cost to fix a fault?
That depends on the cause and whether a part is needed. With us you can see the part straight away with its price and delivery time, so you know where you stand in advance. If you call in an engineer, always ask about the call-out charge and hourly rate before they come.
Where can I find the right part for my Haier?
Check the rating plate for the exact type and use it to search our catalogue, or search directly by the manufacturer number of the faulty part. Each part lists the appliances it fits.