Haier Heating & Cooling - Popular Questions, Answers, Tips & Manuals

Question edited for clarity and add maker. Try a reset. Disconnect mains power for at least 2 hours. Reconnect and wait 5 minutes before turning on. This resets the mainboard and initiates a self test procedure. https://www.google.com/search?q=+Haier+CWH24A+not+heating+up ..

You will be able to get the answers from Haier support in your country. We are Fixya, not them. It sounds like a control board fault. You can try a reset. Turn it off at the breaker for 2 hours. Switch it back on and wait 5 minutes before turning the unit back on with the remote. https://www.google.com/search?q=Haier+Thermocool+AC ..

On a Haier Split system a E7 error is a failure of the outdoor inverter PCB and the outdoor power supply PCB. Both will need replacing. Looking around $600 for those parts. Plus fitting. The indoor PCB is very unlikely to be needed.

switch fro auto to cool function.

Take it back and get another one. Once you try to work on it, void the warranty.

Window ac

The screws are hidden behind plastic plugs. Remove them and undo the side panels. Once they are off you can get to everything else. https://www.google.com/search?q=disassemble+a+Haier+portable+air+conditioner ..

It is likely a Haier, not a 'Haiser'.. It is a AC Unit, so shouldn't be in the Category Cars and Trucks. I can change those. Your answer is twofold; You need a remote, Google make model replacement remote You pressed a button combination set, Google make model manual

let it sit off for a while and try again

That error is a freezer fan motor error, Check to see if the unit is defrosting like it is supposed to be. IF it is defrosted, check to see if the motor spins and if you have a meter for measuring resistance, check the motor windings. If they show no conductivity, Replace the fan.

Haier offers window and portable AC units to fit your space and keep the temps ... Haier window air conditioner ultra quiet serenity model. ... Coming in at 43 dBA, it's the quietest window AC on the market*. ... Get AC When & Where You Need It ... excess moisture is removed from the air without you having to empty the unit. For more click here

The A/C has failed.

the flashing red light indicates that the water collection tank is full

I would blow it out with a air line .

Really not enough info to give a good answer yet... was it cooling your home good before you switched to heat? If it wasn't, then most likely your system is low on refrigerant... when it is suppose to be on, check to see that your outdoor unit is coming on, if it is on and the outside unit looks like a block of ice or starting to ice over, the defrost control board has failed and needs replaced.. hope that helps

Have you tried UTUBE?

Their a sealed system..only way is to install a piercing valve...good luck they usually always leak after that... but it won't fix the problem you need to find the leak..good luck

Please follow the Haier 4U30HS1ERA manual (manualscat.com) here. Hope it helps. Good Luck!

setting is not on cooling.....

Power issue at breaker?, plug gfci trip?