Gree Air Energy F4 Fault Code Maintenance This Gree Air can be repaired once on January 10. It seems that the F2 code was issued that time. The master came here and said that it was repaired. He charged 60 yuan and left. At that time, I also sighed that the maintenance was cheap, but it seemed that it would take two months before it could go again. The current fault phenomenon is that the external unit will stop after starting heating for about two minutes, and the control panel will display F4 for a few seconds, then the display temperature will resume. After a while, the external machine will start again to start heating, and then stop to display F4, and so on repeatedly.

Small hand battery The small flashlight battery I bought in 21 years is no longer good. I tried to remove it and found it is still very easy to remove. The battery is similar to that of the small walkthrough machine used to play. After measuring the size of the battery with a vernier caliper, we will spell Duoduo and Taobao to find it.

The front engine oil is burned dry, and the existing engine oil is emulsified! Since it was found that the oil of UU125 was burned out last September, the oil has been checked irregularly so far.

The cold and hot air switch of Chang'an CS55 is completely stuck. Replace the camshaft position sensor Chang'an CS55 cold and hot air switching failure has tortured me for almost two years, and now it has finally collapsed completely. (2021.12.26 -- Chang'an CS55 does not give out warm air; 20230116 -- Chang'an CS55 does not give out warm air; the fault is repaired successfully)

Suzuki UU125 battery hangs up When I got back from work in the morning, the car stopped for a few minutes, but when I went to start it again, there was no response. Fortunately, the Suzuki UU125 could be started by stepping on it, which didn't cause me any trouble.

Network cable fault? A few days ago, the video card was replaced and the host was disassembled. After reinstalling it, I found that the network cable I pressed was not connected. However, it was OK to switch with the network cable of the secondary route.

Damaged installation becomes damaged The small pedal (Suzuki UU125) has been bought for a year, but it has not been modified basically. Instead, it has added a dragon head crossbar. It was originally intended to put the mobile phone bracket and give my son something to grab when standing in front of him, but most of the time it has become a decoration.

The car has been repaired again My Chang'an CS55 has so far spent the most money on refueling, followed by paint repair. Until now, except for A B. C, D pillars and tailgate, all others have been touched up

Chang'an CS55 no heating fault repaired successfully I seldom drive in recent months, and the car should have no warm air for a while, but this winter is not too cold, so I always choose to ignore it. The temperature suddenly dropped a few days ago, and the weather forecast said it would snow. It was freezing hard to drive to the countryside. Originally, there was no warm air, but it could not support the front wind and fog, so we had to blow air to remove fog. It's not enough to just blow cold air. You must turn on the air conditioner to remove fog. It's cold... If you want to go out for the Spring Festival, you must fix the warm air.

What happens if the neutral line and ground line are connected reversely? The office has a three hole wall plug with poor contact, and the home has a two hole wall plug with poor contact, which can be replaced to give full play to the waste heat.