Instruction Manual

Systems and Equipment - 150 JT2020 Mach 1 Operator’s Manual
Interpret Diagnostic Codes
CMW
63 no continuity to auxiliary dump valve add pipe or remove pipe aborted and
code is stored
non-
essential
65 no continuity to thrust/right track
neutral valve
cruise control is blocked essential
71 no continuity to drive selector valve drive is blocked essential
73 no continuity to throttle up solenoid code is stored non-
essential
74 no continuity to throttle down solenoid code is stored non-
essential
111 no continuity to left track reverse
solenoid
drive is blocked essential
112 no continuity to right track forward
solenoid
drive is blocked essential
113 no continuity to right track reverse
solenoid
drive is blocked essential
114 no continuity to drilling fluid pump
solenoid
code is stored essential
131 no continuity to thrust rear home
switch
add pipe and remove pipe are
blocked
non-
essential
132 no continuity to thrust front home
switch
add pipe and remove pipe are
blocked
non-
essential
133 no continuity to shuttle home switch add pipe and remove pipe are
blocked
non-
essential
134 no continuity to front wrench switch add pipe and remove pipe are
blocked
non-
essential
144 drive joystick left/right out of range drive is blocked essential
145 drive joystick forward/backward out of
range
drive is blocked essential
151 drill joystick left/right out of range rotation and cruise control are blocked essential
152 drill joystick forward/backward out of
range
rotation and cruise control are blocked essential
154 drilling fluid potentiometer out of
range
code is stored essential
161 no continuity to front pipe box switch code is stored non-
essential
162 no continuity to rear pipe box switch code is stored non-
essential
Code Condition Result Severity