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Chuyên sửa chữa UPS đột ngột cúp điện

: Chuyên sửa chữa UPS đội ngột cúp điện

: in stock

: 300.000 VNĐ

(Not Include V.A.T)

Warranty
6 months
Product details

Commitment to customers :
Inspection and thorough assessment , patients guessed correctly quote the correct
Maximum repair time 03 to 05 days after receiving the machine .
Where customers need equipment repair time exceeds 07 days , our center will call prior notice to customers .
Ensure the customer's equipment is handled best after repair .
Do not change any parts until you have the consent of the customer .

Refund the repair costs if the client device has warranty too technical fault 02 times or can not overcome .


Repair process :
Get the machine , inspect, disassemble components for customers certify .
Wrote receipts , record customer information and clarify the current status of the machine .
Rooms full technical inspection , assessment and diagnosis .
After determining the correct diagnosis will call customers expense reports , time to repair , the warranty period .
If the customer agrees to repair , Technical Department will conduct repairs .
Machine after repair will move across the room to run TEST last inspection prior notice to customers .
Customers thorough check signatures , time stamps warranty term before getting on the computer .


 
1.The common problems :
- Sudden power loss .

- Surge : surge voltage rise in a very short time .

- Reduce the sudden pressure : lower voltage surge in a very short time .

- Prolonged hypertension : high voltage increases last from a few minutes to all day .

- Reduce pressure lasts : lower voltage lasting from a few minutes to all day .

- Inverter frequency shift versus frequency stability

- Slip frequency : Occur immediate cause low voltage , in very short span

- Total Harmonic Distortion : Waveform distortion of power is no longer the standard sine shape .

- Interference on the line : Interference noise on the power line , the high frequencies appear in the power supply.

UPS after a period of use , when the following symptoms : lower power saving time in the beginning , not UPS UPS still operate even when the power normal , ... it 's time to think about replace a new battery for it . It is the most economical solution , instead you have to take a while because of service costs to replace workers Dum . Replace new batteries for UPS ! ? Very simple and fast , you let me instead try a trip to know .

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