Ditch Witch JT2020 User Manual

Page 151

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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

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