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Jt25 operator’s manual – Ditch Witch JT25 User Manual

Page 153

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Systems and Equipment - 152

JT25 Operator’s Manual

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 neutral valve

cruise control is blocked

essential

66

no 6V internal power

add pipe, remove pipe, drive, and
cruise control are 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

114

no continuity to drilling fluid pump
solenoid

code is stored

essential

122

no continuity to drilling fluid check
valve

code is stored

non-
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, cruise control, and carve
mode are blocked

essential

152

drill joystick forward/backward out of
range

thrust, cruise control, and carve mode
are blocked

essential

154

drilling fluid potentiometer out of
range

code is stored

essential

164

no continuity to tracker control input

code is stored

non-
essential

166

no continuity to thrust rear stop switch

code is stored

non-
essential

171

no continuity to pipe grip rocker switch

code is stored

non-
essential

Code

Condition

Result

Severity