20 Most Recent Haier 8,000-BTU Commercial Cool Portable Air Conditioner CPB08XCL-LW Questions & Answers

Time to have an expert look at it as it might be a fan about to fail or something worse.

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.

Window ac

Haier ac remote

Window units do not come with service ports. You can buy them at local parts houses, but unless you have the freon, not gonna do you any good. Window ac use either r22 our 410a, and that cannot be bout without being certified.

switch fro auto to cool function.

Having the same issue, it's a shame the only answer is telling you to do what you clearly said you had already tried.

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

This is a communication error between the indoor and out door units.

Have you tried UTUBE?