Terex Genie Z-33/18, Service And Repair Manual

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4-8 Z ® -33/18 Part No. 1268514GT
January 2020 Section 4 • Fault Codes
CONTROL SYSTEM FAULT CODE CHART
Error Source Error Type
Condition Solution
ID Name ID Name
53
AC_L_MOTOR
Left side drive
motor.
12 Value too high
Drive function
disabled.
Do not operate machine with
batteries charging.
Check cable connections.
Check for 33V AC across any two
legs on drive motor at full stick.
Replace right drive motor.
Replace right (master) drive
controller.
15 Value too low
Drive function
disabled.
Check cable connections.
Check for 33V AC across any two
legs on drive motor at full stick.
Replace right drive motor.
Replace right (master) AC motor
controller.
21 Fault
Drive function
disabled.
Check wires to thermal sensor at
6 wire deustch plug on motor.
Check resistance on thermal
sensor.
54
BRAKE_RIGHT
Right side AC
motor brake. 15 Value too low
Drive function
disabled.
Check for 48V DC to brake.
Check for 48V DC on R-1.
Replace brake.
Replace right (master) AC motor
controller.
55
BRAKE_LEFT
Left side motor
brake screen. 15 Value too low
Drive function
disabled.
Check for 48V DC to brake.
Check for 48V DC on R-1.
Replace brake.
Replace left (slave) AC motor
controller.
56
TACH_R_
MOTOR
Right side AC
drive motor
encoder. 21 Fault
Drive function
disabled.
Check wiring at the 6 wire
deustsch plug at the drive motor.
Check for 12V DC on pins 1 and
2. Replace encoder.
Replace right (master) AC motor
controller.
57
TACH_L_
MOTOR
Left side AC
drive motor
encoder. 21 Fault
Drive function
disabled.
Check wiring at the 6 wire
deutsch plug at the drive motor.
Check for 12V DC on pins 1 and
2. Replace encoder.
Replace left (slave) AC motor
controller.