Terex Genie Z-40/23N, Service And Repair Manual

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Service and Repair Manual September 2016
Control System Fault Codes
78 Z-40/23N, Z-40/23N RJ Part No. 1268528
Error Source Error Type
ID Name ID Name Condition Solution
72
JROT_CW_VALV
Jib rotate clockwise
valve.
12
15 Value too high
Value too low Jib rotate clockwise
function disabled.
Check for open or short from PCON
(C29-8) to the platform rotate CW
coil. Replace coil.
74
JROT_CCW_VLV
Jib boom rotate
counterclockwise
valve.
12
15 Value too high
Value too low Jib rotate
counterclockwise
function disabled.
Check for open or short from PCON
(C29-7) to the platform rotate CCW
coil. Replace coil.
76
OVERLOAD_SW
Platform overload
switch (option).
12
2
2
Value too high
Fault
Platform functions limited
to recovery only. Primary
lift pump functions at
ground controls disabled.
Auxiliary functions at
ground control only.
Extend disabled.
Do not exceed maximum platform
weight. Check for 24V DC input to
load sensor (black.) Check for 24V
DC output from load sensor when
not overloaded to PCON pin C28-7
(black at switch, WH/BK at module).
Check for 0V DC output from load
sensor when not overloaded to right
AC motor controller pin C16-19
(white at switch, BL/WH at module).
77
VCON_PBOX
Platform display
screen.
13 No response
Platform functions
disabled. Ground
controls operative.
Check can bus circuit for open.
Check can bus resistor (120 Ω).
Isolate all other modules
simultaneously.
78
PCON_PBOX
Platform controller
screen.
13 No response
Platform functions
disabled. Ground
controls operative.
Check can bus circuit for open.
Check can bus resistor. Isolate all
other modules simultaneously.
82
LOAD SENSE
RECOVERY
2 2 Fault
System was overloaded
and moved under AUX
power.
For reporting purposes only.
83
DISABLED BY
OWNER
2 2 Fault Functions disabled. Contact machine owner