Ditch Witch JT922 - Manual (Page 98)

JT922 Operator’s Manual
Systems and Equipment - 97
Electric Strike System
CMW
Troubleshoot Strike System
When strike system detects a problem, an error code will be displayed. Anytime this happens, press self
test button to retest. If error code is still displayed and does not appear in this chart, have control module
checked or replaced.
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