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Measure the voltage on the coin cell first. If it's low replace it. That may take care of the Hard disk error too. If it doesn't, then the hard drive may be bad. Don't replace it with any hard drive. Look for one rated for CCTV video. It's built to last longer that an ordinary Hard drive.
Instrument Cluster Diagnostic Trouble Code (DTC) Index
Battery Voltage High
Go To Pinpoint Test C .
Battery Voltage Low
Go To Pinpoint Test A . A1 CHECK THE BATTERY CONDITION
Carry out the Battery - Condition Test to determine if the battery can hold a charge and is OK for use. REFER to Section 414-01 .
Did the battery pass the condition test?
GO to A2 .
INSTALL a new battery. REFER to Section 414-01 . TEST the system for normal operation.
A2 CHECK THE GENERATOR OUTPUT
Carry out the Generator On-Vehicle Load Test and No Load Test. Refer to Component Tests in this section.
Did the generator pass the component tests?
GO to A3 .
INSTALL a new generator. REFER to Section 414-02 . TEST the system for normal operation
Probable cause is low battery voltage, maybe the battery was not fresh or was of too low quality. For such a nice clock, extra cost in getting an Energizer Ultimate Lithium or VARTA Professional Lithium cell is justified and the AA sized battery with 3000 mAh will work for many years. Otherwise, use Alkaline batteries and don't forget to check the expiration date always. Check http://www.batteryshowdown.com/results-lo.html to get some ideas on what to buy and what to expect.
The Pix-55 has a simple CR-2032 coin battery. But the battery contacts are pin-point spot welded to positive and negative faces instead of being easily replaceable as they should be. I carefully broke the battery loose and soldered the leads from a single CR-2032 coin battery holder I got off Ebay, The green electronics board is marked +&- so easy to get the leads right. Before I started, mine didn't work at all and after the new battery it works great. What a shame many of these are probably thrown away because of a $2.50 battery. The next time mine goes bad I can easily replace it.
Hello There are two possibilities for this fault. The first one is with its battery itself. If the battery did not hold current, in otherwords, it has weak, proper charge both in volts and amperes won't hold on it, and when the device draw current from it while it works, voltage drop will occur, and low voltage indication will be displayed. The second chance is due to the charger circuit inside the radio. If charger circuit do not give proper voltage and current to battery, the battery won't charge to its full capacity. Check it by replacing it with a new battery [batteries] first. If it helps you it's OK. If not, your radio need service, and its charger circuit must be checked well. OK.
The clock resets because the car battery voltage/current is so low that when the starter motor is turned the + 12 drops to less than 8 volts and so the CLOCK resets.
Please have the battery checked, check the starter motor , battery terminals must be tight.
the cpu's in these units use extrememly little power for the clock, unlikely that low battery voltage is the cause, unless the battery is extrememly low, then yes it would be the battery, but also the unit might not use a battery but instead use a "super cap", which is a special high capacity capacitor that can hold a charge for weeks before needing to be recharged...they are usually rated for approximately .47 farads at 5 volts and they look like button batteries but are not....if yours uses super caps instead, then it might be on its way out, not able to hold a charge any longer because of deterioration....you might need the super cap changed.....also have the unit checked for bad connections....all solder joints, etc...which is always a big problem with any electronics...sometimes, solder looks good mechanically but electrically not good so it's a good idea to have the board resoldered.
hope that helps.
hi, Coin-shaped batteries on most motherboards should be CR2032. Make sure it is properly installed and + is up. IF you have a multimeter or you have a friend who has a multimeter, remove the battery and check the voltage. It should read 3.0 volts when fully charged. If it reads 1.8 volts or higher is probably OK. Be very careful installing and removing coin-shaped batteries. Most of the battery holders i have seen for these batteries are quite fragile and easily broken. I ease these batteries into the holder with the aid of "tweaker" (small screw driver).
here is a video, you can see how to remove the battery or bypass bios password.