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Today, let's take a look at the few tips for the refrigeration and air conditioning system maintenance, which is very useful for everyone!
1. The press does not start, there is no problem with the temperature setting, but there is no response to the power supply.
The press does not turn the fan and must first look at the capacitor.
Capacitor drum kit needs to be replaced to eliminate capacitance and check power supply
If the power supply checker overload protection is the key
No power supply inside the house, first check the connection line
Secondly, we must look at the temperature control and watch the temperature control.
The relay is a key front drive to judge
If the above is normal, the following things are easy to handle.
Motherboard repair or replacement ask the user to make a decision
2, the press starts a thermal protection
Air conditioning starts with cold air temperature and then increases
After a while, the cold wind turned hot and the press outside the machine stopped.
At this point, first look at the external fan speed is low or low.
If the low replacement capacitor is not a capacitor replacement fan
Next, look at the condenser if it is too dirty to be cleaned.
Fluorizing too much current, big press will also work
Press capacitors also look good, according to the original machine
3, the press is powered for a few seconds to protect
Disconnect the external line of the power supply line of the press to judge
If the power is checked normally, the capacitor is replaced first.
Change the capacitor and experiment again if you earn money normally
On the contrary, turn the high voltage off and then turn on the high voltage and then experiment.
If the press is normal, the pipeline is blocked.
If the press does not turn to this, change the press
Note: After the press protection, the overload protector will wait for a while to reset, so if the power is turned on immediately, the press will not respond.
4, the air conditioner is turned on and turned off
In case of this, don't disconnect the external cable in advance.
It’s good, it’s good, it’s good, it’s good, it’s good
External machine failure, easy to do four-way press and fan
Press one by one to break the line and which one is broken.
After zui check the connection line, the mouse is also leaking
It is difficult to handle the wind turbine before the internal machine fails.
Take out the motherboard and look carefully to see if there is a UMC
It’s really hard to change the board and make money.
5, air conditioning refrigeration is not good or not cooling
This problem zui common air conditioning lack of fluoride is the key
Start by touching the air pipe first to judge by the temperature
If the cold check machine fan speed may be low
Inner tube scales and dustproof clean or replace
If the inner tube is not a cool tube, it may be flattened.
The return air temperature is not cool and then touch the air intake to judge
Inlet air is cold and frosting and fluoride are added to try again.
If the frost is slowly dispersed, it is a good decision to lack fluoride.
It is not difficult to see the aging of the press.
Four-way string gas is also commonly judged by fluorine collection.
High-pressure scales must be dirty and slow to cool
6, the air conditioner does not boot
Air conditioning is energized to judge the experiment based on the hum
No snoring, check the power supply and then look at the motherboard.
If there is a click, then first press the start button
Air conditioning start things to do remote control damage first judge
Eliminate remote control check and receive infrared reception first
Then check if there is a power supply signal line
Then power on and experiment again to see if the air conditioner does not turn.
If the air conditioner does not turn large pieces of damage to this break