Error 04 Toshiba air conditioners: Causes and solutions

To know error 04 Toshiba air conditioners why? How do you overcome? We invite you to take a look at our article below to share right away.

1. Toshiba air conditioner error 04 is what?

Error 04 on Toshiba air conditioner is an error signaling that the connection from the outdoor unit to the indoor unit is having problems, the serial signal does not return from the outdoor unit.

2. Signs of error recognition 04 Toshiba air conditioners

When the Toshiba Inverter air conditioner controller reports error 04, it means that your air conditioner is experiencing a connection problem between the two outdoor units. In fact, this error is quite difficult to recognize because the wire connecting the two outdoor units of the air conditioner Currently, it is usually installed with negative power lines or if it is installed in the ceiling, it is also in a high position to avoid moisture and so it is difficult to observe.

3. Causes & ways to fix error codes 04 Toshiba air conditioners

Some common problems encountered error 04 Toshiba air conditioners:

3.1.Connection problem between two outdoor units

This is the most common error when Toshiba air conditioner reports error 04. In this case, there are two cases that occur: the power line connecting the indoor unit and outdoor unit is broken or the contact point where the connection is loose, the electrical contact is not guaranteed.

In the first case, it is possible that the power line in your house is installed in a low position that can be bitten by a mouse.

In the second case, because during the installation of the electrical cord, the worker was subjective or unintentionally installed incorrectly for a long time, which will cause the error of 04 Toshiba air conditioners.

3.2. Air conditioner is overloaded

With the situation that the earth is gradually warming daily, the demand for using air conditioners for cooling of consumers also increases. But not everyone knows how to use the air conditioner properly and protect their air conditioner, leading to the error of 04 Toshiba air conditioners.

>> Reference:

How to prevent dry skin when lying in the air conditioner Simple, you should know.

Eco function of Toshiba air conditioner what? What you should find out.

When overusing the air conditioner on for many hours continuously, causing the outdoor unit to work overload, the system will stop working immediately and at this time, Toshiba air conditioner will report error 04.

3.3. Compressor out of gas, lack of gas

This may also be one of the reasons why Toshiba air conditioners report error 04. When air conditioners are not regularly checked for maintenance after each season of use, consumers cannot know whether the compressor has gas or not. does not lead to error condition 04 Toshiba air conditioners.

3.4. In case of outdoor unit circuit board failure

If you have considered all of the above errors and the Toshiba air conditioner error 04 still appears, at this time you should check the circuit board of the outdoor unit of your home.

So we have finished sharing the error 04 Toshiba air conditioners encountered. Thank you for watching.

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