Tip & How-To about Emerson EWH100F

Defective clock

Apparently Emerson has acknowledged that a large number of these have defective clocks (it locks up and wont advance). However, they won't take responsibility and repair them (it's now an "old model"), and as of yet I have found no decent info on the repair.

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My clock radio wont keep the time once I set it the clock advances 2 to 3 hours ahead


I took the back up battery out and unplugged the unit for about 20 minutes before powering the clock back up. Once I powered the clock up I re-inserted the backup battery.

Jan 17, 2010 | Emerson Smartset Clock Radio

1 Answer

Time projection repeatedly either fails to turn on/off/lock


You have to change the internal battery. The type of battery is a CR2430. This battery has only a three year life span in ideal conditions. If you have had power outages or left the Clock/ Radio unplugged for long periods of time the battery life shortens. You can find the battery is most electronic stores and in large drugstores and supermarkets. Fry's electronics, Radio shack.You must unplug the radio from the plug and let the microprocessor discharge and reset itself. This will take about a hour. After you let it discharge, you can put the new battery in the Clock/Radio and check to see if the problem is fixed.If this does not fix the problem, you have a damaged microprocessor and will have to buy a new clock/radio. Emerson does not provide out warranty service for this product. I hope this information help you with your problem.

Apr 05, 2009 | Emerson Smartset Clock Radio

1 Answer

wont turn on


This looks like a component failure problem. The failure has caused damage to Clocks control and display circuits. These type of problems are not user repairable. The Emerson customer support telephone number is 1-800-909-1240 you can call them between the hours of 8am-4:30pm CT. Give them the make and model number of the Clock/Radio. Tell them the problem you are having with the clock and the clocks display. They should be able to help you get the Clock/Radio repaired. I hope this information help you with your problem. Thank you for using FixYa and have a nice day.

Jan 03, 2009 | Emerson Smartset Clock Radio

1 Answer

wrong time on Emerson Smart Set clock


This is a problem with the clocks tuning crystal. Digital clocks have a crystal that is tuned to run at a certain frequency to keep the clock working correctly. These clocks have a problem with that crystal keeping the frequency locked at the correct working frequency. This problem will sometimes cause the clocks to run fast due to a running frequency higher than the regulated frequency and sometime slow due to a running frequency running lower than the regulated frequency. The only way to fix this problem is to either adjust the crystals frequency to the correct frequency and lock it. Or change the crystal. Both these types of service require tools and test equipment to fix the problem. This is usually best handled by a service center. The Emerson customer support telephone number is 1-800-898-9020. Give them the make and model number of your clock radio and ask them for assistance. I hope this information helps you with your problem.

Nov 18, 2008 | Emerson Smartset Clock Radio

1 Answer

time projector


This type of display malfunctions is usually in the led segments operation or the drivers ic's. This may just be a matter of intermittent contact points. The repair would be to re-solder all suspect solder joints connections. The problem could also be with the components becoming defective. This would require a replacement of the defective part. This is best done at a service center where they will have all the parts and service information. You can call the Emerson Customer support at this telephone number 1-800-909-1240. Call them between the hours of 8am to 4:30pm central time USA. Give them the make and model number of your Clock/Radio and ask them for their assistance. I hope this information helps you understand the problem and possible solutions for the Clock/Radio's display. Thank you for using FixYa and have a nice day!

Nov 15, 2007 | Emerson Smartset Clock Radio

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