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Systems and Equipment - 98<br />
Troubleshoot Strike System<br />
JT5 Operator’s <strong>Manual</strong><br />
Electric Strike System<br />
In addition to self-test diagnostic codes, other problem situations and their possible causes and solutions<br />
are listed in the chart below.<br />
Problem Possible cause Possible solution<br />
No lights or readings<br />
showing after drilling unit<br />
key has been on at least<br />
one minute<br />
Screen is blank<br />
Information on screen is<br />
visible during self test but<br />
not after test is complete<br />
OK indicator is on, but<br />
electrical power supply<br />
indicator is off<br />
Electrical power supply<br />
indicator is on, but OK<br />
indicator is off<br />
Problems in startup<br />
No power to strike system<br />
control module<br />
Defective control module<br />
Strike system is not getting<br />
adequate power from drilling<br />
unit<br />
Defective control module<br />
LCD contrast is not set properly<br />
Strike system is not getting<br />
adequate power from drilling<br />
unit<br />
Defective control module<br />
Problem detected during test<br />
Defective control module<br />
Push self test button. If problem goes<br />
away, retest strike system<br />
Check drilling unit electric system<br />
Check that harness from drilling unit<br />
to control module is connected<br />
Check that cable from drilling unit<br />
carries more than 10V<br />
Have control module checked or<br />
replaced<br />
Check drilling unit electric system<br />
Check that harness from drilling unit<br />
to control module is connected<br />
Check that harness from drilling unit<br />
carries more than 10V<br />
Have control module checked or<br />
replaced<br />
Contact your <strong>Ditch</strong> <strong>Witch</strong> dealer to<br />
adjust contrast<br />
Check drilling unit electric system<br />
Check that harness from drilling unit<br />
to control module is connected<br />
Check that harness from drilling unit<br />
carries more than 10V<br />
Have control module checked or<br />
replaced<br />
Check for error code and have control<br />
module checked or replaced<br />
Have control module checked or<br />
replaced<br />
CMW
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