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Unfortunately there is no easy way. The meter has an internal battery that holds the reading for up to 72 hours. You would have to remove the regular battery and let the meter sit for three days.
Error 9 on the 535 version of the aviva meter will indicate a fresh battery is requird. If you put a new battery into the unit and it displays E-9 again, take the battery out, press any button (arrow or power) and then insert battery again and give it a try. If the same issue is occurring please let accu-chek customer care know so they can replace the unit at no cost.
Replacing battery terminals??? How did you accomplish that. Do you mean you replaced the battery or are you referring to the battery cables? If you replaced the cables are you sure you have them connected correcty and tight. Especially the ground connection. Take a reading with an ohm meter from the neg battery post to the engine or chassis. If the circuit is open, you have a bad connection.
Replacing battery terminals??? How did you accomplish that. Do you mean you replaced the battery or are you referring to the battery cables? If you replaced the cables are you sure you have them connected correcty and tight. Especially the ground connection. Take a reading with an ohm meter from the neg battery post to the engine or chassis. If the circuit is open, you have a bad connection.
The battery light on a car is just an idiot light and does not necessarily mean the battery is bad. More likely is a bad alternator. If you or a friend has a digital volt ohm meter set it to VDC (Volts DC) and put the meter on the battery terminals with the car running. If your alternator and voltage regulator (They are combined in newer cars) then the meter should read about 13.8 to 14.5 VDC. If it reads less have your alternator tested and/or replaced.
Check the battery direct with a volt meter, while running. Should have around 14 volts. Less than 13, then might have to replace the alt.
The accu-chek comfort curve cannot be used with the aviva unit. The advantage meters and comfort curve strips are being discontinued.
E-9 means the battery is low. Change the battery. If you still get the message than the battery needs to be replaced and the meter needs to be reset. Take the battery out. Press the left arrow key on the front. Insert a new battery (do not turn the machine on). Press the left arrow button again. Now you should be prompted to set the time and date. Once you have done that, power the meter off and you should be all set. Of course, they don't tell you any of this in the manual. Considering they charge you $105 for 100 test strips you would think they could have an up to date manual on their website... but they don't because they suck.
You either have a weak battery that needs replacement or you alternator is defective. Start the engine and check the voltage at the battery with a volt meter. It should read from 13.5-16 volts. Anything less and the alternator needs replacing. If it is reading within that range the battery is defective. Another possibility is a defective battery cable that is swollen or frayed.
the battery on your meter has to be replaced.
The meter on your battery charger will be in the green
Defective voltage regulator. Check the voltage at the battery with the engine running with a digital volt meter. You should get 13.5 to 15.5 volts. Any more and the alternator is overcharging and needs replacing because in almost all cases the regulator is built into the alternator.