STE/ICE-R TEST 90 DC CURRENT 0 TO 1500 AMPContinued
Push and hold TEST button until CAL appears. Release TEST button.
If VTM reads between -225 and +225, offset test passes.
If offset test fails, see TM 9-4910-571-12&P.
Press and release TEST button.
Turn on component to be tested.
If .220.127.116.11 appears on display, the test current is greater than 1500 amp and cannot be measured
If display reads a value with a minus sign, current probe has been installed backwards. Repeat
Steps 1 page 0126 00-0 - 5 page 0126 00-0. Be careful not to reinstall current probe backwards.
10. Observe VTM reading.
If VTM reads between 250 and 425 amp, test passes.
If reading is erratic or cannot be obtained, see TM 9-4910-571-12&P.
11. Turn off component in Step 9 page 0126 00-0.
12. Return to troubleshooting task that referred you to this one.