Always enter the correct specifications for each battery you are testing. Entering an incorrect battery type, chemistry, rating type, or rating value can cause incorrect test decisions. Be sure to enter all information into the tester accurately.
Turn off the headlights and try the test again. With the ignition turned totally off, turn the headlights on for a short period of time to stabilize the battery voltage. Vehicles with keyless ignition may stay awake if the key fob is nearby, so make sure that is not a potential factor as well.Ī Surface Charge error happens if a higher than normal or unstable voltage level is detected, and can occur if a battery was recently charged or if the vehicle had been running and was just turned off. Allow several minutes for all electronics modules in newer vehicles to go to sleep. Remove the key from the ignition and make sure doors and the hatch/trunk lid have been closed for a few minutes. Before testing the battery, turn off the engine and all loads, such as A/C, headlights, etc. 3 – TIE: SYSTEM NOISE & SURFACE CHARGE ERRORSĪ System Noise error message occurs when the tester detects a load or current in the system.
Save some time and learn how you may be able to remedy these common battery testing issues on your own. Calls to Midtronics Customer Service often fall into one of three categories.
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