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new_home_maker

Beware ! Check & Ensure You Power Cables Quality

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This may be a industry wide problem with the 3 core power cable used by electrician.

So do double check. My air con was installed about 2 yrs ago.

Cable Photo

Recently I think I found out by chance the REAL reason for my

Mitsubishi air con problem (inconsistance cooling issue after about 1 year)

- the 3 core power cable for the air con (between the fan coil & the compressor)

was heavily corroded / oxidation just after 2 years due to inferior quality cable used

during installation !

The defect occur inside the cables NOT at the exposed end so its no way due to

environmental. In fact the exposed end of the cable is OK.

I not sure if such cable defect can be a safety hazard.

When I feedbacked to my air con installer ( Imperial ) about this problem,

They told me they only provide 1 year warranty for the cables and

they quoted me $700+ for cable replacement for the 4 air con.

The best part was they do not feel that they have done anything wrong.

IMO they take end users like fools, no cables in the world is manufactured to

last only 2 years unless its underrated or of poor quality.

Either way its installer responsibility to ensure reasonable quality and act in

good faith.

Companies using inferior cables (from China) to reduce their cost,

push their mistakes (cost of replacement) to end users AND they do not

see any wrong with doing that ....

When I checked with Mitsubishi Electric Singapore, they told me that since

Imperial is not their authorised dealer, they do not have any control over them.

But they mentioned that the replacement charges by Imperial as “exorbitant”

imagine this is type of treatment for using them for installation and

maintenance for the last 2 years.

I was told that such poor quality cables were commonly used in the market 2 years ago

until the problem occured later like mine. Even until now, you can get such cables.

So this may be a industry wide issue, but the way this company handles the customer when

there is a problem is unbelievable.

So lesson learnt :

1. Ensure that cable is not made in China and from reliable brand.

Do not take your installer word for it.

I was told Key Stone (Made in Singapore) was good.

2. Get your air con from authorised distributor or dealer.

At least the factory can do something (but not everything) for you

in event like this.

3. Go for extended warranty on parts and labour if possible even if its

a good brand.

My 2 air con have to replace thermistor just after 1 year.

Considering I only on my air con at night with regular filter cleaning

every month – I do not consider this as good quality.

Thanks for reading.

Edited by new_home_maker
 

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Imperial sounds familiar.....

I am no air-con expert, but the office opposite mine does air-con installation, so has chat with them.

I was told some supplier use re-con cable and tubing since it will be concealed anyway.

Also, i remember something like they should lay 4core cable. 1 extra wire in-case any wire got problem.

Model also very important. For un-suspecting customer, they could even use re-con compressor with new fan coil. Since fan coil is much cheaper and easily seen.

 

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