Terex Genie Z-135/70, Service And Repair Manual

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October 2018 Service and Repair Manual
Fault Codes
Part No. 1268557GT Z®-135 /70 185
Error Source Error Type Effects Recovery Actions
Rear Axle Angle Sensor Value at 5.0 V
Primary up, Secondary up/down and
Extend disabled, Alarm sounds Check for an open ground circuit going
to the sensor
Value Too High Primary up, Secondary up/down and
Extend disabled, Alarm sounds Sensor is out of range. Check sensor
and actuating pin for proper installation.
Repair or replace sensor and
recalibrate.
Value Too Low
Value at 0 V Primary up, Secondary up/down and
Extend disabled, Alarm sounds Check for 5.0 VDC at the sensor.
Check for damaged wiring going to the
sensor. Check that the % .0 VDC LED
is lit on the TCON board. Repair or
replace as necessary
Out of Tolerance
Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Recalibrate sensor
Not calibrated Primary up only active from TCON,
activate alarm Perform calibration procedure per
service manual
Just calibrated Initiate one second beep of audible
warning device Self-clearing (transient)
Propel Joystick Value at 5.0 V
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds Check for damaged wiring to the
joystick. Check the connections to
ensure the connector terminals have
not backed out. Substitute a known
good joystick. If necessary replace
and recalibrate joystick.
Value Too High
Value Too Low
Value at 0 V
Not calibrated Joystick Speed and Direction frozen at
zero and neutral Calibrate Thresholds
Just calibrated Initiate one second beep of audible
warning device Self-clearing (transient)
Propel Valves
Forward/Reverse Not calibrated Joystick Speed and Direction frozen at
zero and neutral Calibrate Thresholds
Propel EDC
Forward/Reverse Just calibrated Initiate one second beep of audible
warning device Self-clearing (transient)
Value Too High Limited Speed and Direction frozen at
zero and neutral, Alarm sounds Check for opens in the wiring or a bad
ground. Replace coil if necessary
Value Too Low
Check for shorts to ground in the
wiring. Replace coil if necessary
Motor Valve Speed Fault Check Limited Speed and Direction frozen at
zero and neutral, Alarm sounds Check for defective or damaged
wiring. Check for an open or shorted
valve coil. Repair or replace as
necessary.
Brake Valve