Midtronics MDX-650P MILITARY User manual

MDX-650P MILITARY

INSTRUCTION MANUAL

MDX-650P MILITARY

Battery Conductance and

Electrical System Analyzer

For 6 & 12-volt automotive starting batteries

and 12 & 24-volt starting/charging systems

MDX-650P MILITARY

Introduction & Overview

Safety Guidelines

Because of the possibility of personal injury, always use extreme caution when

working with batteries. Follow all BCI (Battery Council International) safety

recommendations.

Wash hands after handling.

Battery posts, terminals, and

related accessories contain lead

and lead compounds, chemicals

known to the state of California to

cause cancer and birth defects or

other reproductive harm.

Capabilities

The MDX-650P MILITARY Battery Conductance and Electrical System Analyzer

tests 6 & 12-volt regular ooded, AGM at plate, AGM spiral, and gel batteries,

as well as 12 & 24-volt starting and charging systems for passenger cars, light

trucks and military vehicles. It displays the test results in seconds and features a

built-in printer to provide customers with a copy of the results.

Additional features include the ability to:

•test batteries from rated from 100 to 2000 CCA

•detect bad cells

•protect against reverse polarity

•test discharged batteries

•test multiple rating systems (CCA, CA, JIS)

•provide a user interface with English, Spanish, and French-Canadian as the

selectable language

MDX-650P MILITARY

Display and Keypad

When you rst connect the MDX-650P MILITARY to a battery, it functions as a

voltmeter until you press .

IMPORTANT: If you connect the tester to a voltage source greater

than 30 Vdc, you may damage the tester’s circuitry.

The menu-driven display will then guide you step by step through the test

process. Use the keypad buttons to scroll to and select options in the menu.

To turn o the tester when not connected to the battery, briey press and hold

the button.

User Interface



Arrows

Use these keys

to choose test

parameters and scroll

to menu options.

Next

Use this button to

make selections.

6Back / Print

Use this button to

move to the previous

screen or move back

one space when

creating custom

headers. You can also

use this button to

printout test results

using the built-in

printer.

Menu

Use to access the

Main Menu options

of the tester.

For information

about the options,

see “Options Menu”.

MDX-650P MILITARY





Display Showing

Battery Result





Output

Decision

Measured

rating

Measured

voltage

Selected

rating

Printer

Button

Toolbar

MDX-650P MILITARY

Options Menu

Procedure

1. Press to access the Options Menu.

2. Use por qto move to the line you want to

edit.

3. Press to make the highlighted line editable.

4. Use por qto select the character for that cursor location.

5. Press to move to the next location.

6. Press to return to the Options Menu.

Option Explanation

VIEW / PRINT

RESULTS

Press 6to display the previous test result or to print

the results.

QC MODE A quick test to check battery inventory.

EXPORT DATA Export the last test result to an IR Reader program.

(under development)

PERFORM TEST Begin the Battery Test procedure.

LANGUAGE

SELECTION

Select a language for the tester.

(Default: English)

SET ADDRESS Enter the address to display on the top of the printout.

(Limit: 8 lines, 21 characters per line)

TIME Select 24-hour or AM/PM and set the time.

(Default: AM/PM)

DATE Select the date format as well as set the correct date.

(Default: MM/DD/YYYY)

COUNTER Clear or display battery and system test by results.

CONTRAST Adjust the contrast setting of the tester display.

(Default: 10)

TEMPERATURE

UNITS

Select the temperature units Degrees F or Degrees C

(Default: Degrees F)

VOLTMETER Automatically test battery voltage when the clamps are

rst connected to the battery terminals. Press to

continue testing the battery. Press 6to return to the

menu. (Default: ON)

MDX-650P MILITARY

Preparations Before the Test

Before connecting the tester, clean the battery posts or side terminals with

a wire brush and a mixture of baking soda and water. When testing side-

post batteries, install and tighten lead terminal adapters. A set of adapters is

included with the tester.

IMPORTANT: Do not test at steel bolts. For OUT-OF-VEHICLE testing,

failure to install terminal adapters or installing terminal adapters that

are worn or dirty may result in inaccurate test results. To avoid dam-

age, never use a wrench to tighten the adapters more than ¼ turn.

If you are testing in the vehicle, make sure all accessory loads are o, the key is

not in the ignition, and the doors are closed.

Connecting the Tester

•Connect the red clamp to the positive (+) terminal and the black clamp to

the negative (–) terminal.

•For a proper connection, rock the clamps back and forth. The tester re-

quires that both sides of each clamp be rmly connected before testing. A

poor connection will produce a CHECK CONNECTION or WIGGLE CLAMPS

message. If the message appears, clean the terminals and reconnect the

clamps.

•The preferred test position is at the battery terminals. If the battery is not

accessible, you may test at the jumper post; however, the available power

measurement may be lower than the actual value.

MDX-650P MILITARY

Battery & System Test

When you rst connect the tester to the battery, it functions as a voltmeter

until you press to start the test. This function can be turned o through the

Options Menu.

After you press , scroll to each parameter using

por q

and press to select.

If any messages appear during the test, see the section “Test Messages”.

1. BAT. LOCATION: Scroll to and select IN VEHICLE or OUT OF VEHICLE for a

battery not connected to a vehicle. Following an IN VEHICLE test you will be

prompted to test the starting and charging systems.

IMPORTANT: The performance of the starting and charging systems

depends on the battery’s condition. It is important that the battery is

good and fully charged before any further system testing.

2. POST TYPE: (In-Vehicle only) Scroll to TOP POST, SIDE POST or JUMP START

POST where applicable.

3. APPLICATION: Scroll to and select AUTOMOTIVE, COMMERCIAL -4D/8D, 6T,

or GROUP 31.

4. BATTERY TYPE: Scroll to and select REGULAR FLOODED, AGM FLAT PLATE,

AGM SPIRAL, or GEL where applicable.

5. BATTERY STANDARD: Scroll to and select the battery’s rating system. Not

all rating systems are available for each application.

Standard

Description Range

CCA Cold Cranking Amps, as specied by SAE. The

most common rating for cranking batteries at 0 ºF

(–17.8 ºC).

100–2000

CA Cranking Amps: Current available at 32 ºF (0 ºC) 100-2000

JIS#

Japanese Industrial Standard, shown on a battery as

a combination of numbers and letters.

26A17

thru

245H52

6. BATTERY RATING: Scroll to and select the rating units. Hold down

por q

to increase the scrolling speed.

MDX-650P MILITARY

7. Press to start test. After several seconds the tester displays the decision

on the battery’s condition and the measured voltage. The tester also dis-

plays your selected battery rating and the rating units.

GOOD BATTERY

VOLTS

MEASURED

RATING

12.50V

465 CCA

500 CCA



Decision

Measured

CCA

Measured

voltage

Selected

rating

Decision Interpretation

GOOD BATTERY Return the battery to service.

GOOD-RECHARGE Fully charge the battery and return it to service.

CHARGE &

RETEST

Fully charge the battery and retest. Failure to

fully charge the battery before retesting may

cause inaccurate results. If CHARGE & RETEST

appears again after you fully charge the battery,

replace the battery.

REPLACE BATTERY Replace the battery and retest. A REPLACE

BATTERY result may also mean a poor connection

between the battery cables and the battery. After

disconnecting the battery cables, retest the battery

using the out-of-vehicle test before replacing it.

BAD CELL-

REPLACE

Replace the battery and retest.

24 VOLT SYSTEM 24-volt system detected. Disconnect batteries and

test individually.

READY TO INSTALL Battery has just been activated and is ready to

install in vehicle (Motorcycle only)

NEEDS CHARGE

Fully charge battery and retest using BEFORE

DELIVERY. (Motorcycle only)

Failure to fully charge the battery before retesting

may cause false readings.

8. Press to proceed with the starter test, 6to print the test results or

to return to the Options Menu.

NOTE: For an in-vehicle test, the display alternates between the

test results and the message PRESS FOR STARTER TEST.

IMPORTANT: The MDX-650P MILITARY retains the results of the last

test only. When you start a new test, the last results are overwritten.

MDX-650P MILITARY

Starter System Test

IMPORTANT: Before starting the test, inspect the alternator drive belt.

A belt that is glazed or worn, or lacks the proper tension, will prevent

the engine from achieving the rpm levels needed for the test.

Once you have completed an in-vehicle test, the display alternates between

the battery test results and the message PRESS FOR STARTER TEST.

1. Press to proceed with the starter test.

2. Start the engine when prompted.

3. The tester displays the decision on the starter system, cranking voltage,

and cranking time in milliseconds.

STARTER SYSTEM

DECISION

CRANKING

TIME

10.20V

718mS



Starter

Decision

Cranking

time in

milliseconds

Average

cranking

voltage

Decision Interpretation

CRANKING

NORMAL

The starter voltage is normal and the battery is

fully charged.

LOW

VOLTAGE

The starter voltage is low and the battery is fully charged.

CHARGE

BATTERY

The starter voltage is low and the battery is discharged.

Fully charge the battery and repeat the starter system test.

REPLACE

BATTERY

Battery must be replaced before the starting system can

be tested.

NO START No vehicle start detected.

CRANKING

SKIPPED

A start was not detected.

4. Press

to proceed with the charging system test,

6

button to print the

test results,

to return to the Options Menu.

NOTE: For an in-vehicle test, the display alternates between the

test results and the message PRESS FOR CHARGING TEST.

MDX-650P MILITARY

Charging System Test

Once you have completed an in-vehicle test, the display alternates between

the battery test results and the message PRESS FOR CHARGING TEST. Press

to proceed with the charging test.

Following the on-screen prompts:

1. Rev the engine.

2. Turn on high beams headlights and the blower fan.

3. Rev engine with loads on.

4. Idle engine and turn o loads.

5. The Charging System decision is displayed at the end of the procedure.

CHARGING SYSTEM

DECISION

NO LOAD

14.29V

LOADED

14.25V



Alternator

Decision

Loads-off

DC Voltage

at rev

Loads-on

DC Voltage

at rev

Decision Interpretation

NO PROBLEMS System is showing normal output from the alternator.

NO OUTPUT No alternator output detected.

√ Check all connections to and from the alternator,

especially the connection to the battery. If the

connection is loose or heavily corroded, clean or

replace the cable and retest.

√ If the belts and connections are in good working

condition, replace the alternator. (Older vehicles

use external voltage regulators, which may

require only replacement of the voltage regulator.)

LOW OUTPUT Alternator not providing sufcient current to power the

system’s electrical loads and charge the battery.

√ Check the belts to ensure the alternator is rotating

with the engine running. Replace broken or

slipping belts and retest.

√ Check the connections from the alternator to

the battery. If the connection is loose or heavily

corroded, clean or replace the cable and retest.

MDX-650P MILITARY

Decision Interpretation

HIGH OUTPUT Alternator voltage output exceeds the normal limits.

√ Make sure there are no loose connections and

the ground connection is normal. If there are no

connection problems, replace the regulator. Most

alternators have a built-in regulator that requires

replacing the alternator. In older vehicles that

use external voltage regulators, you may need to

replace only the voltage regulator.

EXCESSIVE

RIPPLE

Excessive AC ripple detected.

√ One or more diodes in the alternator is not

functioning or there is stator damage.

6. Press 6to print the test results or to return to the Options Menu.

Test Messages

For a more decisive result, the tester may prompt you for additional

information. The messages in the following table may appear before the tester

can display a result.

Test Message Interpretation

BAT. TEMPERATURE

Select ambient temperature above or below 32 ºF (0 ºC)

CHARGE STATE Select before or after battery has been charged.

SURFACE CHARGE

DETECTED

Remove the surface charge before it begins testing.

Testing will resume after charge has been removed.

CHECK

CONNECTION

One or both clamps are not making proper contact with

the battery terminals.

ENGINE REV NOT

DETECTED PRESS

WHILE REVVING

Tester has not detected an increase in engine rpm

REVERSE

CONNECTION

Clamps are connected in the wrong polarity:

positive to negative or negative to positive.

SYSTEM NOISE

CHECK LOADS

In-vehicle testing. Tester has detected computer, ignition

noise or parasitic drain. Make sure all vehicle loads are

off including open doors and ignition switch.

UNSTABLE

BATTERY

Out-of-vehicle. Weak battery, should be charged and

retested.

WIGGLE

CLAMPS

Clamps are not making good contact with

battery terminals

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