3 split aircon at home. Just my room one no cold.. why?

[IndianChief]

Repair must service all 3 or just my 1 aircon can lioa

 

[eddie2002]

Circuit Breaker lah

 

[acidcrash]

Turn on all 3 at the same time? If not something might be wrong

 

[whatmeworry]

One of the three expansion valve is stucked. If the valve don't open, the expanded gas cannot flow to the FCU. The expanded gas is cold.

The valve is at the balcony compressor. It may or not not be easy to change.

Best is just to just change a new compressor, keeping the old three FCU in the room.

 

[whatmeworry]

 

[IcYFl4mEz]

@whatmeworry Is there any good / reputable aircon specialist to check if the valve is stucked?
my room aircon is always not cold/sometimes the only one that leak water, even tho im the only room who on the aircon.
always ask people to come clean/service, but back to square one after a week or so.

 

[foursprings]

if only one particular room not cold and leaking, could also be the blower never clean and is chock full of dirt. take a torch light and shine up to see. alot of the aircon men don't disassemble and remove the blower for thorough cleaning as its quite troublesome.
long time ago when i was single, my masterbed room aircon always not cold and leaking even though i always do 6 month servicing, whereas the other rooms whose aircon rarely used always very cold. then i change aircon cleaning company and when the man came, he took out the blower and showed me how dirty it was. he then washed it for more than 10 minutes. the amount of dirt that came out was shocking.
after that my masterbate room aircon welly cold. hee hee. till today i still stick to this company even though they are pricier.

 

[curahee]

Mine also like that even after chemical wash. End up change a second hand blower. Become very cold now. Sibei song

 

[civicguy]

blower is the black turning thing with many fins ?

 

[batuchka]

this is a matter no science can explain! being an Indian Chief your Gods are dismayed that you are contributing to global warming via use of air conditioners when the Indian Tribes never had to use such a thing!

 

[IcYFl4mEz]

One of the three expansion valve is stucked. If the valve don't open, the expanded gas cannot flow to the FCU. The expanded gas is cold.

The valve is at the balcony compressor. It may or not not be easy to change.

Best is just to just change a new compressor, keeping the old three FCU in the room.

the TXV / expansion valve is change 1 or change 3 , if only 1 room is not cold?
If 2 other room no issue , could it be the piping issue? as always only 1 room is not cold / leak water. service a few times by diff company all only take out wash and vaccume , even chemical wash also back to square one after 1month

 

[whatmeworry]

the TXV / expansion valve is change 1 or change 3 , if only 1 room is not cold?
If 2 other room no issue , could it be the piping issue? as always only 1 room is not cold / leak water. service a few times by diff company all only take out wash and vaccume , even chemical wash also back to square one after 1month

Change one.

 

[Mecisteus]

the TXV / expansion valve is change 1 or change 3 , if only 1 room is not cold?
If 2 other room no issue , could it be the piping issue? as always only 1 room is not cold / leak water. service a few times by diff company all only take out wash and vaccume , even chemical wash also back to square one after 1month

How old is the aircon?

Did you check the air temperature that is blowing from the FCU?

Is there some cooling or completely not cooling at all?

If there is leaking, that means there is condensation and cooling.

 

[IcYFl4mEz]

How old is the aircon?

Did you check the air temperature that is blowing from the FCU?

Is there some cooling or completely not cooling at all?

If there is leaking, that means there is condensation and cooling.

Less than 8yrs, cant remb. changed once before but nv change the old piping.
there is some cooling. certain days can be cold, but mostly is not.
so thinking to call the service guy to check blower fan, TXV/expansion valve , what else can i suggest? If nv say, they come wil just wash , which after a few days back to square one.

 

[Mecisteus]

Less than 8yrs, cant remb. changed once before but nv change the old piping.
there is some cooling. certain days can be cold, but mostly is not.
so thinking to call the service guy to check blower fan, TXV/expansion valve , what else can i suggest? If nv say, they come wil just wash , which after a few days back to square one.

I don't think is a valve issue. You already said the cooling is intermittent.

If the valve is spoilt, there will be no cooling at all. And there will be gas leak. But you said other rooms are cool.

Maybe your FCU is not clean enough.

 

[Skoda29]

@whatmeworry Is there any good / reputable aircon specialist to check if the valve is stucked?
my room aircon is always not cold/sometimes the only one that leak water, even tho im the only room who on the aircon.
always ask people to come clean/service, but back to square one after a week or so.

First you have to know how a leak is developed.Needless you say you on AC very frequently in a day not allowing the condensation water in the piping to dry.Overtime this condensation water formed into whitish jelly like and begin to choke yr pipe.Hence the water back flow occurred.If you can allow a interval at least 8 hrs dry period straight (no switching on AC)this leak shld not happen.

 

[IcYFl4mEz]

I don't think is a valve issue. You already said the cooling is intermittent.

If the valve is spoilt, there will be no cooling at all. And there will be gas leak. But you said other rooms are cool.

Maybe your FCU is not clean enough.

thanks for the tip, good to know not valve issue.

First you have to know how a leak is developed.Needless you say you on AC very frequently in a day not allowing the condensation water in the piping to dry.Overtime this condensation water formed into whitish jelly like and begin to choke yr pipe.Hence the water back flow occurred.If you can allow a interval at least 8 hrs dry period straight (no switching on AC)this leak shld not happen.

yup, aircon mostly on for more than 20hrs due to WFH. but this kinda leak, doesnt lead to aircon not cold right?
anyway the not cold syndrome already happened few years back, where sometimes i nv on aircon for 1-2days.
it still might drip water..

 

[Mecisteus]

thanks for the tip, good to know not valve issue.

yup, aircon mostly on for more than 20hrs due to WFH. but this kinda leak, doesnt lead to aircon not cold right?
anyway the not cold syndrome already happened few years back, where sometimes i nv on aircon for 1-2days.
it still might drip water..

20 hours is heavy usage.

You need more frequent maintenance.

 

[Jjxjjjyy]

User problems

 

[Moowoow]

thanks for the tip, good to know not valve issue.

yup, aircon mostly on for more than 20hrs due to WFH. but this kinda leak, doesnt lead to aircon not cold right?
anyway the not cold syndrome already happened few years back, where sometimes i nv on aircon for 1-2days.
it still might drip water..

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