Fan Repair | Electronics Repair And Technology News

How To Fix A Rechargeable Fan

Jestine Yong — Sat, 15 Feb 2025 01:48:01 +0000

This rechargeable table fan was brought to me with complaints of not auto cutting off when charging, led continues blinking ever since he bought it and battery is now weak, and so he abandoned it some months. So i open back cover and examine the circuit design. It uses LTHO7 […]

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Defeat DP Rechargeable Table Fan Repaired

Jestine Yong — Sat, 18 Jan 2025 08:22:22 +0000

This rechargeable fan was brought to me by a first time customer introduced by her hair dresser with complaints of usb charging port failing. When i examined the port, inner part has rusted, so there is need to change it. This device is unique in the sense that the […]

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Swing Motor Shaft Exchanged And Modified In A Nameless Bladeless Fan

Jestine Yong — Fri, 30 Jun 2023 23:43:56 +0000

This fan was brought to me by a close friend-cum-regular customer with the complaint that it was dead. The bottom screws were removed and everything taken out like how you can see on the above picture. I could see the capacitors were bulged and were responsible for the dead condition […]

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Four HAVELLS Electronic Fan Regulators Brought Back To Life

Jestine Yong — Sat, 01 Apr 2023 07:36:23 +0000

Four of these regulators were brought to me by my schoolmate with the complaint that all of them worked only at full speeds (position 5). I pried open the cover and removed the pot holding nut from the front and looked inside. This was a capacitor-resistor controlled regulator, unlike […]

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92mm CPU Fan Replacement Project

Jestine Yong — Sat, 25 Jun 2022 13:00:57 +0000

The issue To save on cooling costs at home I don’t run air conditioning during the Summer so need to be sure my computers are hardened to the heat; for this, as well as recapping the power supplies I also attend to the fans used for cooling. The problem, however, was that the CPU fan […]

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A Dead Lontor Rechargeable Water Standing Fan Power Supply Modified

Jestine Yong — Wed, 10 Nov 2021 09:20:13 +0000

This 12V fan was brought to my work shop with complaint of not working. This fan uses water for cooling system. Picture below: I did check and found smps, mainboard bad, but acid-lead battery has 10.6vdc. The smps ‘s mosfet and pwm IC were burnt. Picture below is the […]

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A Tiny Fuse Replacement Brought This Fan To Life

Jestine Yong — Sat, 08 Aug 2020 02:34:26 +0000

A friend of mine that I know from church brought his son’s fan for repair. He said the fan was brand new that he brought last year but only used it for couple of weeks. He tried to use it again this summer but for some reason it did […]

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Burnt Coil In Fan Motor Winding

Jestine Yong — Mon, 29 Jan 2018 12:42:52 +0000

Customer sent to me this Usha Table Fan with the complaint of the motor not rotating after pressing the speed button. Usually the common fault for this kind of fan were bad start capacitor and open thermal fuse. I had to dismantled it in order to […]

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Panasonic (National) Remote Control Fan No Power Symptom

Jestine Yong — Wed, 19 Oct 2016 02:20:29 +0000

Troubleshoot from remote to board I encounter the remote control fan fails to turn on without any sight of LED lighting up even triggered with the remote control. If you happen to have a remote control from the same model, try switching the fan on. I dismantle the […]

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How To Easily Locate The Different Speed Wires of Fan Motor

Jestine Yong — Mon, 09 May 2016 00:12:01 +0000

The complaint of this stand fan was not working even though the switch already turned On. From my experience, this kind of problem is usually due to bad motor. I had to open the fan cover in order to confirm the problem. The fan motor […]

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