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NOTES: 
a)  The 6030 tester uses the battery under test for power.  If the battery voltage 

is less than 7.5 volts, the display will not come on.  If when connecting the 
tester, the display does not light up, check for correct polarity hookup.  If 
correct, charge the battery and try again. 

 
b)  Batteries that have an open circuit voltage above 13 volts will cause the tester 

to enter the CHARGING SYSTEM TEST program and display LO within 4 
seconds of connection.  To correct this error, depress the tester button for 10 
seconds (disregarding any display messages) to draw off the battery's 
surface charge.  Wait a minimum of one minute before retesting the battery 
so the testers' duty cycle is not exceeded. 

 
4.  Depress the load switch and hold for ten seconds.  The tester will read the 

battery voltage and begin a 10 second timer.  At the end of the 10 second 
period, the display will blink and read 

8888

.  At this time release the load 

switch. 

 
5.  When the load switch is released after the 10 second load test, the tester will 

alternately display the voltage under load at the end of test and the message 
PASS or FAIL. 

 
6.  If the initial battery voltage was below 12.4, the message will be CH because 

the battery was too discharged to make a valid test.  However, if the voltage 
under load reached a fixed value and did not continue to drop, the battery is 
probably good and should be recharged and the test repeated. 

 

CHARGING SYSTEM TEST

 

 
This test measures the output voltage of the alternator and checks for under or 
over charging which leads to poor battery performance and short life. 
 
1.  Turn off all lights and accessories.  Operate engine at fast idle (approximately 

1500 RPM). 

 
2.  Connect tester clamps as described in step 2 under Battery Test. 
 

NOTE:  If the tester is still connected to the battery from a previous test, it is 

necessary to disconnect one of the clamps to reset the computer 
before performing another test. 

 
3.  Do not operate tester’s load switch. 
 
4.  Four seconds after connecting the clamps, the tester display will indicate one 

of the following messages: 

 

good 

= Alternator output is normal. 

LO 

= Alternator output is too low. 

HI 

= Alternator output is too high. 

 
5.  Disconnect one tester clamp from the battery.  Turn on high beam lights and 

put blower on high. 

 
6.  Connect the tester clamp to the battery.  Four seconds after connecting the 

clamp, the tester will display one of the three messages described in step 4. 

 
 

STARTER MOTOR TEST

 

 
This test identifies excessive starter current draw, which makes starting difficult 
and shortens battery life. 
 
1.  Perform Battery Load Test.  Proceed if result is “PASS”. 
 
2.  Disconnect tester clamp to reset tester computer. 
 
3.  Reconnect tester clamp. 
 
4.  Start engine.   

NOTE:  If engine does not start in 5 seconds, release start switch. 

 
5.  Two seconds after releasing starter switch the tester will alternately display 

the lowest voltage measured during engine start and one of the two following 
messages: 

 

S – gd  =  Good Starter Test 
S – bd  =  Bad Starter.  Test 

 
A message of “S – bd”  is an indication of excessive current draw.  This may be 
due to bad connections, a failing starter motor or the battery is too small for the 
vehicle’s requirements. 
 
 
NOTE:  TOP AND REAR OF TESTER WILL HEAT UP DUE TO LOAD 

CURRENT.  ALLOW TESTER TO COOL ONE MINUTE BETWEEN 
LOAD TESTS – MAXIMUM OF 3 LOAD TESTS IN A 5 MINUTE 
PERIOD.  EXCEEDING DUTY CYCLE MAY CAUSE INCORRECT 
READING AND DAMAGE THE UNIT. 

 
 

TEMPERATURE COMPENSATION FOR BATTERY LOAD TEST

 

 
Low temperature has a degrading effect on batteries and will effect test results.  
When load testing a battery below 32 F, add 0.3 volts to the voltage displayed 
after test.  If the total number, volts + 0.3 = 10.0 or greater, then the battery is 
good. 
 
 

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