Systems and Equipment - 92 JT5 Operator’s Manual
Electric Strike System
CMW
®
Troubleshoot Strike System
In addition to self-test diagnostic codes, other problem situations and their possible causes and solutions
are listed in the chart below.
Problem Possible cause Possible solution
No lights or readings
showing after drilling unit
key has been on at least
one minute
Problems in startup Push self test button. If problem goes
away, retest strike system
No power to strike system
control module
Check drilling unit electric system
Check that harness from drilling unit
to control module is connected
Check that cable from drilling unit
carries more than 10V
Defective control module Have control module checked or
replaced
Screen is blank Strike system is not getting
adequate power from drilling
unit
Check drilling unit electric system
Check that harness from drilling unit
to control module is connected
Check that harness from drilling unit
carries more than 10V
Defective control module Have control module checked or
replaced
Information on screen is
visible during self test but
not after test is complete
LCD contrast is not set properly
Contact your Ditch Witch
®
dealer to
adjust contrast
OK indicator is on, but
electrical power supply
indicator is off
Strike system is not getting
adequate power from drilling
unit
Check drilling unit electric system
Check that harness from drilling unit
to control module is connected
Check that harness from drilling unit
carries more than 10V
Defective control module Have control module checked or
replaced
Electrical power supply
indicator is on, but OK
indicator is off
Problem detected during test Check for error code and have control
module checked or replaced
Defective control module Have control module checked or
replaced
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