Terex Genie Z-33/18, Service And Repair Manual, Page: 77 / 117

January 2020
Part No. 1268514GT Z
®
-33/18 4-5
Section 4 Fault Codes
CONTROL SYSTEM FAULT CODE CHART
Error Source Error Type
Condition Solution
ID Name ID Name
17 LIFT_PUMP
12 Value too high
Auxiliary
functions only.
Check for 48V DC to main
function pump. Replace right
(master) AC motor controller.
15 Value too low
Auxiliary
functions only.
Do not operate machine with
batteries charging.
Check for 48V DC to main
function pump. Replace right
(master) AC motor controller.
21 Fault
Auxiliary
functions only.
Allow main pump to cool down.
Check for air restriction to electric
motor. Check relief valve settings
at main manifold.
18
TACH_LIFTPMP
Lift pump motor
encoder. 21 Fault
Auxiliary
functions only.
Check 3 wire plug on encoder at
pump motor.
Check 5V DC (red wire). Replace
motor.
19
AUX_PUMP
Auxiliary pump.
12 Value too high
Auxiliary
functions
disabled.
Check fuse F1 (200A).
Check for 24V DC to Aux pump.
Replace Aux. pump.
Replace left (slave) AC motor
controller.
15 Value too low
Auxiliary
functions
disabled.
Check for 24V DC to Aux pump.
Replace Aux. pump.
Replace left (slave) AC motor
controller.
21
PRI_UD_JYSTK
Primary up/down
joystick.
11
12
15
16
Shorted high
(5V)
Value too high
Value too low
Value at 0V
Primary up/
down function
disabled.
Inspect and repair joystick wiring.
Replace joystick.
17 Not calibrated
Primary up/
down function
disabled.
Calibrate joystick.
Replace joystick.
22
PRI_UP_VALVE
Primary boom up
valve.
12
15 Value too high
Value too low
Primary up
function
disabled. Check for open or short from
TCON (P2-5) to the up coil.
Replace coil.
23
PRI_DN_VALVE
Primary boom
down valve.
12
15 Value too high
Value too low
Primary down
function
disabled. Check for open or short from
TCON (P2-6) to the down coil.
Replace coil.