20 Most Recent
Cfm 802 Ecofan Table Questions & Answers
Ecofan only turns slowly
These fans can be rebuilt! Like many others, our fan died after being
placed in the center of the stove top. I took the two halves of the fan
body apart, and scraped the heat sink compound off either side of the
power plate. I then applied CPU heat sink compound that can be found at
any computer or electronics store liberally to either side, and put it
back together. The fan spins like new, spread the word!
Why does a table fan slow down after some time?
Revolving blades in table fans pushes out air towards the front by creating a vacuum at the back of the induction motor. Other than providing air flow, the gush of air also cools the motor. Over time, esp if used in a polluted surrounding, dust collects inside the motor and causes friction in the shaft. If left for a prolonged period, this friction causes heat eventually drying up the lubrication, causing breakdown in the motor amature windings and also a leaky starting capacitor, thus slowing down rotation and also a complete failure.
2. Fans must be regularly taken apart, cleaned and lubricated. It is fairly easy if you are willing to learn. My India made Usha brand table fan is 48 years old and is still running smooth - just changed the start capacitor last year and my National ceiling fans are more than 35 years old.
3. In fact all moving parts in any equipment must be periodically taken apart, cleaned free of dust and grime and freshly lubricated. It will outrun your lifetime and serve the next few generations.
Best Regards,
Mahathev of Malaysia
Ecofan not working
The problem is most likely a bad TEG module or possibly a bad fan motor. The most common problem is a failed TEG module. Caframo will not sell replacement TEG modules as they require you to return the fan to them for rebuild but the repair is quite easy. You can find the exact replacement on eBay or directly through Thermal Enterprises. They even have a troubleshooting and repair guide for the fan.
Clean the device
I used an air compresser at 50 psi to blow the dust out of the crevases and then through the back of the fan motor to return the 2 year old unit to like new operating condition.
Hold the blade while doing this so you do not over spin the fan.
I suspect the dust in the motor was sapping the low voltage electricity being generated by the device. House dust buildup causes faults in circuit boards p. Carbon will cause arcing; soot is pure carbon,
Try this before a rebuild.
Cheers,
Mike
Same problem here
These fans can be rebuilt! Like many others, our fan died after being
placed in the center of the stove top. I took the two halves of the fan
body apart, and scraped the heat sink compound off either side of the
power plate. I then applied CPU heat sink compound that can be found at
any computer or electronics store liberally to either side, and put it
back together. The fan spins like new, spread the word!
The metal strip on the bottom, can it be replaced?
There are no replacement parts for this fan available, however I managed to get mine spinning like new after it had died. I took the two halves of the fan
body apart, and scraped the heat sink compound off either side of the
power plate. I then applied CPU heat sink compound that can be found at
any computer or electronics store liberally to either side, and put it
back together. The fan spins like new, spread the word!
Have had this for 4 years, works great. Blades
The problem could be with the thermoelectric module. You can easily test if this is the case by trying to run the fan off of any household battery. If the fan works off the battery then the problem is definitely with the thermoelectric module.
They are easily replaced by taking the two halves of the fan body apart. Just be sure to use CPU heat sink compound (thermal grease) on both sides of the new module before you reassemble the fan.
You can get the peltier modules from Thermal Enterprises by contacting them through email to [email protected] or searching for Ecofan Repair on eBay. The CPU heat sink compound (thermal grease) is available at any "Best Buy", "Radio Shack" or electronics store.
Hope this helps.
My ecofan quit working. Blades
Sounds like a bad thermoelectric module. This module is what generates the power to run the fan. You can get replacement modules for these fans on eBay.
Ecofan.going.slow
The most likely problem is either mechanical binding (lack of lubrication) or a bad thermoelectric module. You can get replacement modules for these fans on eBay.
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