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I've noticed the same problem. It was just all of a sudden blank. I then reset the date and time, and it worked for a few weeks. Then I heard it beep just the other day, and it went back to power on defaults of Midnight of January 1, 2000. Now if I try to re-program it, I don't see the Day display. This is getting frustrating. By the way, I bought my watch just a year ago from Walmart. I've also had to replace the battery within that year.I've noticed the same problem. It was just all of a sudden blank. I then reset the date and time, and it worked for a few weeks. Then I heard it beep just the other day, and it went back to power on defaults of Midnight of January 1, 2000. Now if I try to re-program it, I don't see the Day display. This is getting frustrating. By the way, I bought my watch just a year ago from Walmart. I've also had to replace the battery within that year.
AnonymousMar 23, 2009
About every month, watch makes long beep, then goes blank. After a few seconds, the display comes on again with midnight, 01-01-2000. The 36 phone numbers in the db are gone, as are the alarms.
About every month, watch makes long beep, then goes blank. After a few seconds, the display comes on again with midnight, 01-01-2000. The 36 phone numbers in the db are gone, as are the alarms.
AnonymousMar 23, 2009
I have the same problem with my DB-36 watch going blank. It's only four months old. Battery is supposed to last 10 years.I have the same problem with my DB-36 watch going blank. It's only four months old. Battery is supposed to last 10 years.
No. Battery may be OK. You just need to reset the watch. Open the back (4 screws). When you remove the back, be careful, there is a rubber ring sealing the back and a tiny spring that is probably used as an electrical contact with the back. Reset the watch using a thin wire. Put one end in the hole beside the spring and briefly touch the spring. Voila. The 2 contact points are marked (AC) and (-) .... I think, Mine is not open right now, but I have done this frequently.No. Battery may be OK. You just need to reset the watch. Open the back (4 screws). When you remove the back, be careful, there is a rubber ring sealing the back and a tiny spring that is probably used as an electrical contact with the back. Reset the watch using a thin wire. Put one end in the hole beside the spring and briefly touch the spring. Voila. The 2 contact points are marked (AC) and (-) .... I think, Mine is not open right now, but I have done this frequently.
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The back has to come off in order to replace the battery. To loosen the stuck screw wet the tip of a cotton swap/Q-tip with WD40 (don't overdo it) and press it on the screw so that it seeps in between the screw and the back plate. Let it do its work for some 10 minutes and try to turn the screw. Use a watch maintenance screwdriver that fits well to prevent damaging the little screw.
Open the back (4 screws). Careful with the rubber seal and spring inside. Use a pin to pry the battery clip away from the bottom of the battery. You need to pry the bottom out and up. When the clip releases, the battery is easy to remove/replace.
There is a clip over the battery and then down on one side. You need something tiny and sharp... like a needle. You can insert the needle into the clip between the battery and the outside edge of the clip and gently pry the clip out and away from the battery.
This may have a reset button inside the back , maybe marked a.c. if it does you need to short it with metal tweezers between the battery and the a.c. button.
hope this helps
Use this page to download a copy of CASIO watch manuals in PDF format. To download a PDF file, enter the four-digit (or three-digit) module number marked on the back cover of your watch.
I've noticed the same problem. It was just all of a sudden blank. I then reset the date and time, and it worked for a few weeks. Then I heard it beep just the other day, and it went back to power on defaults of Midnight of January 1, 2000. Now if I try to re-program it, I don't see the Day display. This is getting frustrating. By the way, I bought my watch just a year ago from Walmart. I've also had to replace the battery within that year.
About every month, watch makes long beep, then goes blank. After a few seconds, the display comes on again with midnight, 01-01-2000. The 36 phone numbers in the db are gone, as are the alarms.
I have the same problem with my DB-36 watch going blank. It's only four months old. Battery is supposed to last 10 years.
replace battery
No. Battery may be OK. You just need to reset the watch. Open the back (4 screws). When you remove the back, be careful, there is a rubber ring sealing the back and a tiny spring that is probably used as an electrical contact with the back. Reset the watch using a thin wire. Put one end in the hole beside the spring and briefly touch the spring. Voila. The 2 contact points are marked (AC) and (-) .... I think, Mine is not open right now, but I have done this frequently.
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