GR8-1250 WALMART
Midtronics Inc. 7000 Monroe Street Willowbrook, IL 60527
www.midtronics.com
23
Chapter 6: Diagnostic Charging
The GR8 1250 battery analyzer and diagnostic
charger will determine the internal condition of a
battery before attempting to apply a charge to it.
The charger applies an AC signal at a known frequency across
the terminals and measures the internal conductance to
determine battery health before attempting to charge.
NOTE:
When you start a new test, the last test re-
sults in memory are overwritten. Remember to re-
cord or print the results if you need to retain them.
Do not connect both sets of clamps to
the same battery at the same time.
Connecting both sets of clamps to the same battery
at the same time may damage the GR8.
Only use
the large clamps from the GR8 charge engine
when performing diagnostic charging.
Use the following procedure to perform a diagnostic charge
on a battery.
1. If connected, remove the small clamps from the battery
terminals.
2. Connect the large clamps from the charge engine to the
battery terminals.
3. From the Main Menu, highlight the DIAGNOSTIC icon and
press the SELECT key.
4. Use the UP or DOWN ARROW key to enter the battery
date code, which is printed on the battery label. Enter the
date in the format MM/YY (for example, 01/06 for January
2006) and press NEXT. If the date code is unavailable, press
ENTER to continue.
ENTER THE BATTER
DATE CODE
MM/YY
Press the NEXT soft key to continue.
5. Select the POST TYPE. The REMOTE option appears for the
IN VEHICLE test.
1 TOP POST
2 SIDE POST
Press the NEXT soft key to continue.
5. Select the APPLICATION.
1 AUTOMOTIVE
2 MOTORCYCLE
3 MARINE BATTERY
4 LAWN AND GARDEN
5 GROUP 31
6 COMMERCIAL - 4D/8D
Press the NEXT soft key to continue.
6. Select the BATTERY TYPE.
1 REGULAR/AUTO
2 AGM
3 AGM/SPIRAL
Press the NEXT soft key to continue.
7. Select the battery’s rating units. The rating units and rat-
ing information required in the next step are printed on
the battery label. If the information is unreadable, contact
the battery manufacturer.
1 CCA
2 CA
3 JIS
4 DIN
5 SAE
6 IEC
7 EN
8 MCA
Chapter 6: Diagnostic Charging
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